How to remove and replace the oil pan on V8 Chevrolet Avalanche,Silverado,Suburban,Tahoe,GMC Sierra,Yukon,Yukon Denali and Yukon XL?

Disconnect the cable from the negative terminal of the battery. Raise the vehicle and support it securely on jackstands, drain the engine oil, and remove the oil filler. Remove the oil pan skid plate, if equipped. Unbolt the steering rack and allow it to hang out of the way. On 4WD vehicles, remove the front differential carrier. Remove the transmission bell housing covers from the rear of the engine block. Remove the crossmember. Remove the lower transmission-to-engine bolt(s). These bolts vary depending on the model of transmission used but all screw into the oil pan. Disconnect the wiring from the engine oil level sensor. Disconnect the wiring harness retainers from the oil pan. Disconnect the oil cooler lines from the oil pan on models with automatic transmissions. Remove all the oil pan bolts, then lower the pan from the engine. The pan will probably stick to the engine, so strike the pan with a rubber mallet until it breaks the gasket seal. Drill out the rivets securing the oil pan gasket to the oil pan and remove the old gasket. Wash out the oil pan with solvent. Thoroughly clean the mounting surfaces of the oil pan and engine block of old gasket material and sealant. Wipe the gasket surfaces clean with a rag soaked in brake system cleaner. Apply a 3/16-inch wide, one-inch long bead of ATV sealant to the corners of the block where the front cover and the rear cover meet the engine block. The gasket tabs protrude at these points and must have sealant around them. Attach the new gasket to the pan, install the pan, and tighten the bolts finger-tight. Be sure the oil gallery passages in the pan and the gasket are aligned properly. Install all of the oil pan mounting bolts snugly. Install the lower transmission mounting bolts snugly. Tighten the oil pan bolts and the transmission bolts to the correct torque specifications. The remainder of installation is the reverse of removal. Add the proper type and quantity of oil, start the engine, and check for leaks before placing the vehicle back in service.

How to remove and install an oil pan on 4.3L V6 Chevrolet Avalanche,Silverado,Suburban,Tahoe,GMC Sierra,Yukon,Yukon Denali and Yukon XL?

Disconnect the cable from the negative terminal of the battery. Raise the vehicle and support it securely on jackstands, drain the engine oil, and remove the oil filter. Remove the oil pan skid plate if equipped. Remove the lower crossmember from below the oil pan. On 4WD models, remove the front differential carrier. There is an engine wiring harness at the front of the oil pan. Disconnect the harness bracket. Disconnect the front exhaust Y pipe from the engine and the exhaust system and remove it from the vehicle. Remove the starter motor. Also, remove the plastic bell housing side covers. Disconnect the transmission cooler line bracket from the side of the oil pan. Disconnect the remaining wiring harness brackets. Remove the transmission-to-engine mounting bolts. Disconnect the electrical connector from the oil level sensor if equipped. Remove the transmission-to-oil pan bolts. Remove the oil pan bolts, then lower the pan from the engine. The pan will probably stick to the engine, so strike the pan with a rubber mallet until it breaks the gasket seal. Wash out the oil pan with solvent. Thoroughly clean the mounting surfaces of the oil pan and engine block of old gasket material and sealer. Wipe the gasket surfaces clean with a rag soaked in brake system cleaner. Apply a 3/16-inch wide, one-inch long bead of ATV sealant to the corners where the front cover meets the block and at the rear where the rear main cap meets the block. Then attach the new gasket to the pan, install the pan, and tighten the bolts/studs finger-light. The alignment of the rear face of the aluminum pan to the rear of the block is important. Measure between the rear face of the pan and the front face of the transmission bell housing with feeler gauges. Clearance should ideally be flush, but up to 0.011 inches is allowable. If the clearance is OK, tighten the pan bolts/studs in sequence to the torque specifications. The remainder of installation is the reverse of removal. Add the proper type and quantity of oil, start the engine, and check for leaks before placing the vehicle back in service.

Genuine GMC Sierra Oil Pan

Oil Drain Pan

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30 Oil Pans found

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GMC Sierra Pan, Lower Oil
Part Number: 12669909
$45.71 MSRP: $79.53
You Save: $33.82 (43%)
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Product Specifications
- Other Name: Pan, Lwr Oil; Lower Oil Pan, Oil Pan
- Position: Lower
- Replaces: 12659686, 12623115
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2019 GMC Sierra | 1500 CREW CAB, 1500 CREW CAB STANDARD BOX, 1500 DOUBLE CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX, CREW CAB 1/2 TON | 8 Cyl 5.3L, 8 Cyl 6.2L
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GMC Sierra Pan Assembly, Oil
Part Number: 12640746
$210.11 MSRP: $365.72
You Save: $155.61 (43%)
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Product Specifications
- Other Name: PAN, Engine Oil; Oil Pan
- Replaces: 12627903, 12619776
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2019 GMC Sierra | 1 TON CREW CAB, 2500 CREW CAB STANDARD BOX, 2500 REGULAR CAB, 2500 REGULAR CAB STANDARD BOX, 3500 CREW CAB LONG BOX, 3500 CREW CAB ONLY, 3500 CREW CAB STANDARD BOX, 3500 DOUBLE CAB LONG BOX, 3500 REGULAR CAB, CREW CAB 1 TON, CREW CAB 1 TON 119.0, CREW CAB 1 TON 137.0, CREW CAB 1/2 TON, CREW CAB 2500 LONG BOX, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 3/4 TON, DOUBLE CAB 2500 LONG BOX, DOUBLE CAB 2500 STANDARD BOX, EXTENDED CAB 1 TON, EXTENDED CAB 5'8" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 1/2 TON, EXTENDED CAB 8' BOX 3/4 TON, EXTENDED CAB CHASSIS 1 TON 161.5, EXTENDED CREW CAB 1 TON 161.5, REGULAR CAB 1 TON, REGULAR CAB 3/4 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON, REGULAR CAB CHASSIS 1 TON 137.0, REGULAR CAB CHASSIS 1 TON 161.5 | 8 Cyl 4.8L, 8 Cyl 4.8L Flex, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L, 8 Cyl 6.0L Flex, 8 Cyl 6.2L, 8 Cyl 6.2L Flex
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GMC Sierra Pan Assembly, Oil
Part Number: 12609074
$201.78 MSRP: $351.19
You Save: $149.41 (43%)
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Product Specifications
- Other Name: PAN, Engine Oil; Oil Pan
- Replaces: 12594603
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007 GMC Sierra | CREW CAB 1 TON, CREW CAB 1/2 TON, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 3/4 TON, EXTENDED CAB 1 TON, EXTENDED CAB 5'8" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 1/2 TON, EXTENDED CAB 8' BOX 3/4 TON, EXTENDED CAB CHASSIS 1 TON 161.5, REGULAR CAB 1 TON, REGULAR CAB 3/4 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON, REGULAR CAB CHASSIS 1 TON 137.0, REGULAR CAB CHASSIS 1 TON 161.5 | 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L, 8 Cyl 6.2L
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GMC Sierra Pan,Oil
Part Number: 12557558
$141.67 MSRP: $246.56
You Save: $104.89 (43%)
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Product Specifications
- Other Name: PAN, Engine Oil; Oil Pan, Oil Pan Gasket
- Replaces: 12528916
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2007 GMC Sierra | 3500 CHASSIS REGULAR CAB 137.0, CLASSIC 3500 CHASSIS REGULAR CAB 137.0
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GMC Sierra Pan Assembly, Oil
Part Number: 12599806
$189.03 MSRP: $298.79
You Save: $109.76 (37%)
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Product Specifications
- Other Name: PAN, Engine Oil; Oil Pan
- Replaces: 12599805
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007 GMC Sierra | CLASSIC 1500 CREW CAB LONG BOX, CLASSIC 1500 CREW CAB STANDARD BOX, CLASSIC 1500 EXTENDED CAB LONG BOX, CLASSIC 1500 EXTENDED CAB SHORT BOX, CLASSIC 1500 EXTENDED CAB STANDARD BOX, CLASSIC 1500 REGULAR CAB LONG BOX, CLASSIC 1500 REGULAR CAB STANDARD BOX, CLASSIC 2500 CREW CAB LONG BOX, CLASSIC 2500 CREW CAB STANDARD BOX, CLASSIC 2500 EXTENDED CAB LONG BOX, CLASSIC 2500 EXTENDED CAB STANDARD BOX, CLASSIC 2500 REGULAR CAB, CLASSIC 3500 CHASSIS EXTENDED CAB 161.5, CLASSIC 3500 CHASSIS REGULAR CAB 137.0, CLASSIC 3500 CHASSIS REGULAR CAB 161.5, CLASSIC 3500 CREW CAB, CLASSIC 3500 EXTENDED CAB, CLASSIC 3500 REGULAR CAB | 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L
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GMC Sierra Pan,Oil (W/Filt Bypass)
Part Number: 12579273
$303.22 MSRP: $527.73
You Save: $224.51 (43%)
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Product Specifications
- Other Name: PAN, Engine Oil; Oil Pan
- Replaces: 12573695, 12560393
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1999-2006 GMC Sierra | 1500 CREW CAB LONG BOX, 1500 CREW CAB STANDARD BOX, 1500 EXTENDED CAB LONG BOX, 1500 EXTENDED CAB SHORT BOX, 1500 EXTENDED CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX, 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 3500 CHASSIS EXTENDED CAB 161.5, 3500 CHASSIS EXTENDED CAB 185.5, 3500 CHASSIS REGULAR CAB 137.0, 3500 CHASSIS REGULAR CAB 161.5, 3500 CREW CAB, 3500 EXTENDED CAB, 3500 REGULAR CAB | 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L
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GMC Sierra PAN ASM-A/TRNS FLUID
Part Number: 24043538
$49.17 MSRP: $85.53
You Save: $36.36 (43%)
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Product Specifications
- Other Name: Oil Pan, Transmission Pan
- Replaces: 24293671
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019-2024 GMC Sierra | CREW CAB 5'8" 1/2 TON, CREW CAB 5'8" BOX 1/2 TON, Crew Cab 6'6" Box 1/2 Ton, CREW CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 8' BOX 1/2 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON | 4 Cyl 2.7L, 6 Cyl 3.0L Diesel, 6 CYL 3.0L Diesel, 6 Cyl 4.3L, 8 Cyl 5.3L, 8 Cyl 6.2L, 8 Cyl 6.6L, 8 Cyl 6.6L Diesel, 8 Cyl5.3L
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GMC Sierra Pan Assembly, A/Trns Fluid
Part Number: 24045035
$35.44 MSRP: $61.65
You Save: $26.21 (43%)
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Product Specifications
- Other Name: Oil Pan, Transmission Pan
- Replaces: 24273680, 24272989, 24278774, 24274614
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2015-2018 GMC Sierra | 1500 CREW CAB, 1500 CREW CAB STANDARD BOX, 1500 DOUBLE CAB STANDARD BOX, CREW CAB 1/2 TON | 8 Cyl 5.3L, 8 Cyl 6.2L
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GMC Sierra Pan Assembly, Oil
Part Number: 93800961
$126.60 MSRP: $220.36
You Save: $93.76 (43%)
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Product Specifications
- Other Name: PAN, Engine Oil; Oil Pan
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2013 GMC Sierra | EXTENDED CAB 5'8" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 8' BOX 1/2 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON | 6 Cyl 4.3L
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GMC Sierra Pan Assembly, Oil
Part Number: 12684605
$220.79 MSRP: $348.96
You Save: $128.17 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Oil Pan, Upper Oil Pan
- Replaces: 12659685, 12619977, 12659831, 12666995, 12707241, 12668476
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2019 GMC Sierra | 1500 CREW CAB, 1500 CREW CAB STANDARD BOX, 1500 DOUBLE CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX, CREW CAB 1/2 TON | 8 Cyl 5.3L, 8 Cyl 6.2L
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GMC Sierra PAN ASM-OIL
Part Number: 12730576
$105.50 MSRP: $183.63
You Save: $78.13 (43%)
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Product Specifications
- Replaces: 12677322, 12684562, 12680071
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2019 GMC Sierra | 2500 CREW CAB STANDARD BOX, 2500 REGULAR CAB, 2500 REGULAR CAB STANDARD BOX, 3500 CREW CAB LONG BOX, 3500 CREW CAB ONLY, 3500 CREW CAB STANDARD BOX, 3500 DOUBLE CAB LONG BOX, 3500 REGULAR CAB, CREW CAB 2500 LONG BOX, DOUBLE CAB 2500 LONG BOX, DOUBLE CAB 2500 STANDARD BOX | 8 Cyl 6.6L Diesel
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GMC Sierra Pan Assembly, Oil
Part Number: 12707243
$173.08 MSRP: $273.56
You Save: $100.48 (37%)
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Product Specifications
- Other Name: Oil Pan
- Replaced by: 12732268
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019-2024 GMC Sierra | CREW CAB 1 TON CHASSIS 137.0, CREW CAB 5'8" 1/2 TON, CREW CAB 5'8" BOX 1/2 TON, CREW CAB 6'6" BOX 1 TON, Crew Cab 6'6" Box 1/2 Ton, CREW CAB 6'6" BOX 1/2 TON, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 1 TON, CREW CAB 8' BOX 3/4 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 1 TON, EXTENDED CAB 8' BOX 1/2 TON, EXTENDED CAB 8' BOX 3/4 TON, EXTENDED CREW CAB 1 TON CHASSIS 161.5, REGULAR CAB 1 TON CHASSIS 137.0, REGULAR CAB 1 TON CHASSIS 161.5, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1 TON, REGULAR CAB 8' BOX 1/2 TON, REGULAR CAB 8' BOX 3/4 TON | 8 Cyl 5.3L, 8 Cyl 6.2L, 8 Cyl 6.6L, 8 Cyl5.3L
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GMC Sierra PAN ASM-OIL
Part Number: 12726914
$38.77 MSRP: $67.48
You Save: $28.71 (43%)
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Product Specifications
- Other Name: Oil Pan
- Replaces: 12713653, 12694307
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019-2023 GMC Sierra | CREW CAB 5'8" 1/2 TON, CREW CAB 5'8" BOX 1/2 TON, CREW CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 8' BOX 1/2 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON | 4 Cyl 2.7L
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GMC Sierra Pan Assembly, A/Trns Fluid
Part Number: 24045038
$37.78 MSRP: $65.72
You Save: $27.94 (43%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Oil Pan, Transmission Pan
- Replaces: 24288996, 24274735, 24278775, 24291926, 24279518
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2016-2023 GMC Sierra | 1500 CREW CAB, 1500 CREW CAB STANDARD BOX, CREW CAB 1/2 TON, CREW CAB 5'8" 1/2 TON, CREW CAB 5'8" BOX 1/2 TON, CREW CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 8' BOX 1/2 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON | 4 Cyl 2.7L, 8 Cyl 5.3L
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GMC Sierra Pan Assembly, Oil
Part Number: 12707239
$165.05 MSRP: $287.20
You Save: $122.15 (43%)
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Product Specifications
- Other Name: Oil Pan
- Replaced by: 12732269
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2018 GMC Sierra | 1500 CREW CAB, 1500 CREW CAB STANDARD BOX, 1500 DOUBLE CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX, CREW CAB 1/2 TON | 6 Cyl 4.3L
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GMC Sierra Pan Assembly, Upr Oil
Part Number: 12692968
$98.77 MSRP: $155.40
You Save: $56.63 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Oil Pan, Upper Oil Pan
- Replaces: 12687441, 12671399, 12683602
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2019 GMC Sierra | 2500 CREW CAB STANDARD BOX, 2500 REGULAR CAB, 2500 REGULAR CAB STANDARD BOX, 3500 CREW CAB LONG BOX, 3500 CREW CAB ONLY, 3500 CREW CAB STANDARD BOX, 3500 DOUBLE CAB LONG BOX, 3500 REGULAR CAB, CREW CAB 2500 LONG BOX, DOUBLE CAB 2500 LONG BOX, DOUBLE CAB 2500 STANDARD BOX | 8 Cyl 6.6L Diesel
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GMC Sierra Pan Assembly, Oil
Part Number: 12597153
$344.70 MSRP: $544.81
You Save: $200.11 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: PAN, Engine Oil; Oil Pan
- Replaces: 12558216
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004-2007 GMC Sierra | 1500 EXTENDED CAB LONG BOX, 1500 EXTENDED CAB SHORT BOX, 1500 EXTENDED CAB STANDARD BOX, 1500 REGULAR CAB LONG BOX, 1500 REGULAR CAB STANDARD BOX, CLASSIC 1500 EXTENDED CAB LONG BOX, CLASSIC 1500 EXTENDED CAB SHORT BOX, CLASSIC 1500 EXTENDED CAB STANDARD BOX, CLASSIC 1500 REGULAR CAB LONG BOX, CLASSIC 1500 REGULAR CAB STANDARD BOX | 6 Cyl 4.3L
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GMC Sierra Pan Assembly, Oil
Part Number: 12640747
$213.45 MSRP: $337.22
You Save: $123.77 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: PAN, Engine Oil; Oil Pan
- Replaces: 12623301
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009-2013 GMC Sierra | CREW CAB 1/2 TON, EXTENDED CAB 5'8" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 8' BOX 1/2 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON | 8 Cyl 6.0L, 8 Cyl 6.0L Flex
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GMC Sierra PAN ASM-OIL
Part Number: 12725600
$73.20 MSRP: $115.15
You Save: $41.95 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Lower Oil Pan, Oil Pan
- Replaces: 12675087
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2020-2024 GMC Sierra | CREW CAB 1 TON CHASSIS 137.0, CREW CAB 6'6" BOX 1 TON, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 1 TON, CREW CAB 8' BOX 3/4 TON, EXTENDED CAB 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 1 TON, EXTENDED CAB 8' BOX 3/4 TON, EXTENDED CREW CAB 1 TON CHASSIS 161.5, REGULAR CAB 1 TON CHASSIS 137.0, REGULAR CAB 1 TON CHASSIS 161.5, REGULAR CAB 8' BOX 1 TON, REGULAR CAB 8' BOX 3/4 TON | 8 Cyl 6.6L Diesel
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GMC Sierra Pan Assembly, Oil
Part Number: 12689456
$192.19 MSRP: $303.75
You Save: $111.56 (37%)
Product Specifications
- Other Name: Oil Pan
- Replaced by: 12708453
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019-2021 GMC Sierra | CREW CAB 5'8" 1/2 TON, CREW CAB 5'8" BOX 1/2 TON, CREW CAB 6'6" BOX 1/2 TON, EXTENDED CAB 6'6" BOX 1/2 TON, EXTENDED CAB 8' BOX 1/2 TON, REGULAR CAB 6'6" BOX 1/2 TON, REGULAR CAB 8' BOX 1/2 TON | 6 Cyl 4.3L

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GMC Sierra Oil Pan

Oil Pan in vehicle GMC Sierra; This is s part of the vehicle that functions as a reservoir or a chamber that contains and holds in appropriate engine oil for certain parts of the internal structures and to help in minimizing heat. Located underneath the engine it operates as a container or sump, where oil is stored to ensure adequate provision of lubricating substances to the components. As for the regular oil pans, they are rather effective in most cars however racing motorcycles as well as piston aircraft engines make use of "dry sump' systems in order to obtain constant doses of oil during high-speed maneuvers, which is provided through scavenge pumps and a swirl tank.

Each OEM GMC Sierra Oil Pan we offer is competitively priced and comes with the assurance of the manufacturer's warranty for the part. Furthermore, we guarantee the speedy delivery of your orders right to your doorstep. Our hassle-free return policy is also in place for your peace of mind.

GMC Sierra Oil Pan Parts Questions & Experts Answers

Pan Assembly, Oil
12640746
Q: How to remove and replace the oil pan on V8 Chevrolet Avalanche,Silverado,Suburban,Tahoe,GMC Sierra,Yukon,Yukon Denali and Yukon XL?
A: Disconnect the cable from the negative terminal of the battery. Raise the vehicle and support it securely on jackstands, drain the engine oil, and remove the oil filler. Remove the oil pan skid plate, if equipped. Unbolt the steering rack and allow it to hang out of the way. On 4WD vehicles, remove the front differential carrier. Remove the transmission bell housing covers from the rear of the engine block. Remove the crossmember. Remove the lower transmission-to-engine bolt(s). These bolts vary depending on the model of transmission used but all screw into the oil pan. Disconnect the wiring from the engine oil level sensor. Disconnect the wiring harness retainers from the oil pan. Disconnect the oil cooler lines from the oil pan on models with automatic transmissions. Remove all the oil pan bolts, then lower the pan from the engine. The pan will probably stick to the engine, so strike the pan with a rubber mallet until it breaks the gasket seal. Drill out the rivets securing the oil pan gasket to the oil pan and remove the old gasket. Wash out the oil pan with solvent. Thoroughly clean the mounting surfaces of the oil pan and engine block of old gasket material and sealant. Wipe the gasket surfaces clean with a rag soaked in brake system cleaner. Apply a 3/16-inch wide, one-inch long bead of ATV sealant to the corners of the block where the front cover and the rear cover meet the engine block. The gasket tabs protrude at these points and must have sealant around them. Attach the new gasket to the pan, install the pan, and tighten the bolts finger-tight. Be sure the oil gallery passages in the pan and the gasket are aligned properly. Install all of the oil pan mounting bolts snugly. Install the lower transmission mounting bolts snugly. Tighten the oil pan bolts and the transmission bolts to the correct torque specifications. The remainder of installation is the reverse of removal. Add the proper type and quantity of oil, start the engine, and check for leaks before placing the vehicle back in service.
Pan Assembly, Oil
12599806
Q: How to remove and install an oil pan on 4.3L V6 Chevrolet Avalanche,Silverado,Suburban,Tahoe,GMC Sierra,Yukon,Yukon Denali and Yukon XL?
A: Disconnect the cable from the negative terminal of the battery. Raise the vehicle and support it securely on jackstands, drain the engine oil, and remove the oil filter. Remove the oil pan skid plate if equipped. Remove the lower crossmember from below the oil pan. On 4WD models, remove the front differential carrier. There is an engine wiring harness at the front of the oil pan. Disconnect the harness bracket. Disconnect the front exhaust Y pipe from the engine and the exhaust system and remove it from the vehicle. Remove the starter motor. Also, remove the plastic bell housing side covers. Disconnect the transmission cooler line bracket from the side of the oil pan. Disconnect the remaining wiring harness brackets. Remove the transmission-to-engine mounting bolts. Disconnect the electrical connector from the oil level sensor if equipped. Remove the transmission-to-oil pan bolts. Remove the oil pan bolts, then lower the pan from the engine. The pan will probably stick to the engine, so strike the pan with a rubber mallet until it breaks the gasket seal. Wash out the oil pan with solvent. Thoroughly clean the mounting surfaces of the oil pan and engine block of old gasket material and sealer. Wipe the gasket surfaces clean with a rag soaked in brake system cleaner. Apply a 3/16-inch wide, one-inch long bead of ATV sealant to the corners where the front cover meets the block and at the rear where the rear main cap meets the block. Then attach the new gasket to the pan, install the pan, and tighten the bolts/studs finger-light. The alignment of the rear face of the aluminum pan to the rear of the block is important. Measure between the rear face of the pan and the front face of the transmission bell housing with feeler gauges. Clearance should ideally be flush, but up to 0.011 inches is allowable. If the clearance is OK, tighten the pan bolts/studs in sequence to the torque specifications. The remainder of installation is the reverse of removal. Add the proper type and quantity of oil, start the engine, and check for leaks before placing the vehicle back in service.