How to remove and install the left and right cylinder heads in 4.3L V6 and 5.0L,5.7L,7.4L V8 engine on Chevrolet Express?

If there is rear air conditioning and left cylinder head removal is required, the rear air conditioning system must first be emptied by a holder of this license. Startings with the removal of the cable of the negative terminal of the battery, followed by the removal of the engine cooling fan as well as the valve cover(s). After that, it is necessary to remove the upper and lower intake manifolds, as well as the exhaust manifolds, and take off the pushrods. When searching for the right cylinder head, you have to take off the alternator mounting bracket, and, for 2018 and newer 4.3L engines, you have to also take off the fuel rail and injectors with the cylinder head. For the left cylinder head you will need to remove the engine ground wire, if equipped, the coolant gauge temperature sender, unscrew the filling nut and disconnect the auxiliary evaporator tube from the refrigerant line manifold, unbolt the air conditioning compressor from its bracket and tilt it out of the way without disconnecting hoses, and finally the air conditioning compressor/power steering pump mounting bracket. Secure the power steering pump and bracket aside, while it is necessary to make sure that affixing bracket does not rest upon the radiator. For 2018 and later 4.3L engines: also remove the fuel rails and injectors and the oil dipstick tube mounting bolt from the rear of the cylinder head. With a new cylinder head gasket acquire cardboard and draw the pattern of the cylinders especially the head bolts, it should include direction of the engine for easy identification. Undo the cylinder head bolts gradually in antisense of the patterns that were used when tightening them by 1/4 turn per round of loosening and place the bolts in the cardboard as they are removed. If any shriek is encountered during the lifting of the cylinder head(s) then it is put off with a block of wood and the help of a hammer and they are placed on wood block(s) while refueling. While aligning make sure that the mating surfaces of the cylinder heads and block are free from contaminants and it's done using gasket scraper and further cleaned using lacquer thinner or acetone. Verify if there are any nicks, scratch or any sharp edges on the surfaces that are intended to mate, if so, then one will have to file or machine the mating surfaces. Run the threads in the cylinder head bolt holes with a tap and free the threads with a die. Align each new gasket over the dowel pins in the block and in case of the use of steel gaskets, apply the requested sealant and then accurately fit the cylinder heads onto the block without interfering with the gaskets. Apply a layer of a non hardening sealant on the threads of the cylinder head bolts before reinstalling them at their original positions tightening them until they are just hand tightened and following the right pattern to tighten them up to the right torque. The reverse follows as the remaining installation steps that are almost similar to the removal process. Last but not the least, replace the engine oil and filter and then turn on the engine and look for the oil and water leakage if any.

Genuine Chevrolet Express Cylinder Head

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27 Cylinder Heads found

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Chevrolet Express Head Assembly, Cyl (W/ Valve)
Part Number: 12629058
$671.65 MSRP: $1063.87
You Save: $392.22 (37%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: HEAD, Engine Cylinder; Cylinder Head
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008-2017 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON CARGO SAVANA, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 1/2 TON CARGO EXPRESS, 1/2 TON CARGO SAVANA, 1/2 TON PASSENGER EXPRESS, 1/2 TON PASSENGER SAVANA, 3/4 TON CARGO EXPRESS, 3/4 TON CARGO SAVANA, 3/4 TON PASSENGER EXPRESS, 3/4 TON PASSENGER SAVANA | 8 Cyl 4.8L, 8 Cyl 4.8L Flex, 8 Cyl 5.3L
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Chevrolet Express Cylinder Head Assembly
Part Number: 12629342
$402.80 MSRP: $666.67
You Save: $263.87 (40%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Head Assembly, Cyl; Cylinder Head
- Replaced by: 12677840
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2021 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS | 6 Cyl 4.3L
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Chevrolet Express Cylinder Head Assembly (W/Studs)
Part Number: 12533558
$310.73 MSRP: $491.12
You Save: $180.39 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Head Asm,Cyl (W/Studs)
- Replaces: 12533134
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-1999 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RECREATIONAL VEHICLE EXPRESS, 1 TON PASSENGER, 1/2 TON CARGO EXPRESS, 1/2 TON PASSENGER EXPRESS, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS | 6 Cyl 4.3L
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Chevrolet Express Cylinder Head Assembly
Part Number: 12581476
$761.70 MSRP: $984.75
You Save: $223.05 (23%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Head Assembly, Cyl ; Head, Engine Cylinder; Cylinder Head
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001-2002 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RECREATIONAL VEHICLE EXPRESS, 1 TON PASSENGER | 8 Cyl 8.1L
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Chevrolet Express Head Assembly, Cyl (W/ Vlv)
Part Number: 12711770
$823.04 MSRP: $1306.42
You Save: $483.38 (37%)
ADD TO CART
Product Specifications
- Other Name: Cylinder Head
- Replaces: 12629062, 12629064, 12582713, 12615355
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008-2020 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON CARGO SAVANA, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON CARGO SAVANA, 3/4 TON PASSENGER EXPRESS, 3/4 TON PASSENGER SAVANA | 8 Cyl 6.0L, 8 Cyl 6.0L Flex
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Chevrolet Express Head Assembly, Cyl (W/ Vlv)
Part Number: 12677840
$402.80 MSRP: $666.67
You Save: $263.87 (40%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Cylinder Head
- Replaces: 12629341, 12699615, 12629342
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2018-2023 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS, Van 3/4 Ton Cargo Express | 6 Cyl 4.3L
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Chevrolet Express Cylinder Head Assembly
Part Number: 12533542
$1304.26 MSRP: $2070.76
You Save: $766.50 (38%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Head Asm,Cyl ; Head, Engine Cylinder; Cylinder Head
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1997-2002 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RECREATIONAL VEHICLE EXPRESS, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS | 8 Cyl 6.5L Diesel
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Chevrolet Express Head Assembly, Cyl (W/ Vlv)
Part Number: 12691728
$621.45 MSRP: $749.87
You Save: $128.42 (18%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Replaces: 12558060, 12529093
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2001 Chevrolet Express | 1/2 TON CARGO EXPRESS, 1/2 TON PASSENGER EXPRESS, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS | 8 Cyl 5.7L
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Chevrolet Express Engine Cylinder Head
Part Number: 12562319
$473.06 MSRP: $751.05
You Save: $277.99 (38%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Head,Cyl; Cylinder Head
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2007 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS | 8 Cyl 6.0L
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Chevrolet Express HEAD ASM,CYL (W/ VLV)
Part Number: 24590781
$1577.91 MSRP: $2039.95
You Save: $462.04 (23%)
ADD TO CART
Product Specifications
- Other Name: Cylinder Head
- Replaces: 12641616, 24585364, 24585363
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2017-2022 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS | 4 Cyl 2.8L Diesel
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Chevrolet Express Head Assembly, Cyl (W/ Vlv)
Part Number: 12703610
$422.39 MSRP: $667.45
You Save: $245.06 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Cylinder Head
- Replaces: 12672799, 12699618
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2023 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS, Van 3/4 Ton Cargo Express | 8 Cyl 6.6L
View related parts
Chevrolet Express Engine Cylinder Head
Part Number: 12555630
$449.11 MSRP: $713.03
You Save: $263.92 (38%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Head,Cyl; Cylinder Head
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1997-2014 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RECREATIONAL VEHICLE EXPRESS, 1 TON PASSENGER, 1/2 TON CARGO EXPRESS, 1/2 TON CARGO SAVANA, 1/2 TON PASSENGER EXPRESS, 1/2 TON PASSENGER SAVANA, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS | 6 Cyl 4.3L
View related parts
Chevrolet Express Cylinder Head Assembly
Part Number: 12581477
$286.45 MSRP: $368.66
You Save: $82.21 (23%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Head Assembly, Cyl ; Head, Engine Cylinder; Cylinder Head
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001-2002 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RECREATIONAL VEHICLE EXPRESS, 1 TON PASSENGER | 8 Cyl 8.1L
View related parts
Chevrolet Express Head Assembly, Cyl (W/ Vlv)
Part Number: 12711769
$810.73 MSRP: $1287.16
You Save: $476.43 (38%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Cylinder Head
- Replaces: 12640011
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2011-2020 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS | 8 Cyl 6.0L
View related parts
Chevrolet Express Cylinder Head Assembly
Part Number: 12558112
$621.53 MSRP: $803.53
You Save: $182.00 (23%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Head Assembly, Cyl ; Head, Engine Cylinder; Cylinder Head
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-1999 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RECREATIONAL VEHICLE EXPRESS, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS | 6 Cyl 4.3L
View related parts
Chevrolet Express Cylinder Head Assembly
Part Number: 10141280
$999.79 MSRP: $1587.35
You Save: $587.56 (38%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Head Assembly, Cyl ; Head, Engine Cylinder; Cylinder Head
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2000 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RECREATIONAL VEHICLE EXPRESS, 1 TON PASSENGER | 8 Cyl 7.4L
View related parts
Chevrolet Express Head Assembly, Cyl (Mchg)
Part Number: 12690608
$1198.07 MSRP: $1902.16
You Save: $704.09 (38%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Cylinder Head
- Replaces: 98025702, 97375473
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2010 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON CARGO SAVANA, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON CARGO SAVANA, 3/4 TON PASSENGER EXPRESS, 3/4 TON PASSENGER SAVANA | 8 Cyl 6.6L Diesel
View related parts
Chevrolet Express Head Assembly, Cyl (Machining)
Part Number: 12690607
$1298.76 MSRP: $2062.01
You Save: $763.25 (38%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Head Assembly, Cyl (Mchg); Cylinder Head
- Replaces: 12623949, 12646217, 12670434
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2016 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON CARGO SAVANA, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON CARGO SAVANA, 3/4 TON PASSENGER EXPRESS, 3/4 TON PASSENGER SAVANA | 8 Cyl 6.6L Diesel
View related parts
Chevrolet Express HEAD ASM-CYL (W/ VLV)
Part Number: 12705855
$383.48 MSRP: $603.62
You Save: $220.14 (37%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2024 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RV CUTAWAY, 1 TON PASSENGER, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS, Van 3/4 Ton Cargo Express | 6 Cyl 4.3L
View related parts
Chevrolet Express Cylinder Head (W/Studs)
Part Number: 12528913
Product Specifications
- Other Name: Head,Cyl (W/Studs); Cylinder Head
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-2002 Chevrolet Express | 1 TON CARGO EXPRESS, 1 TON COMMERCIAL/RECREATIONAL VEHICLE EXPRESS, 1 TON PASSENGER, 1/2 TON CARGO EXPRESS, 1/2 TON PASSENGER EXPRESS, 3/4 TON CARGO EXPRESS, 3/4 TON PASSENGER EXPRESS | 8 Cyl 5.0L, 8 Cyl 5.7L

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Chevrolet Express Cylinder Head

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Chevrolet Express Cylinder Head Parts Questions & Experts Answers

Head Assembly, Cyl (W/ Valve)
12629058
Q: How to remove and install the left and right cylinder heads in 4.3L V6 and 5.0L,5.7L,7.4L V8 engine on Chevrolet Express?
A: If there is rear air conditioning and left cylinder head removal is required, the rear air conditioning system must first be emptied by a holder of this license. Startings with the removal of the cable of the negative terminal of the battery, followed by the removal of the engine cooling fan as well as the valve cover(s). After that, it is necessary to remove the upper and lower Intake Manifolds, as well as the Exhaust Manifolds, and take off the Pushrods. When searching for the right cylinder head, you have to take off the alternator mounting bracket, and, for 2018 and newer 4.3L engines, you have to also take off the fuel rail and injectors with the cylinder head. For the left cylinder head you will need to remove the engine ground wire, if equipped, the coolant gauge temperature sender, unscrew the filling nut and disconnect the auxiliary evaporator tube from the refrigerant line manifold, unbolt the air conditioning compressor from its bracket and tilt it out of the way without disconnecting hoses, and finally the air conditioning compressor/power steering pump mounting bracket. Secure the power steering pump and bracket aside, while it is necessary to make sure that affixing bracket does not rest upon the radiator. For 2018 and later 4.3L engines: also remove the fuel rails and injectors and the oil dipstick tube mounting bolt from the rear of the cylinder head. With a new cylinder head gasket acquire cardboard and draw the pattern of the cylinders especially the head bolts, it should include direction of the engine for easy identification. Undo the cylinder head bolts gradually in antisense of the patterns that were used when tightening them by 1/4 turn per round of loosening and place the bolts in the cardboard as they are removed. If any shriek is encountered during the lifting of the cylinder head(s) then it is put off with a block of wood and the help of a hammer and they are placed on wood block(s) while refueling. While aligning make sure that the mating surfaces of the cylinder heads and block are free from contaminants and it's done using gasket scraper and further cleaned using lacquer thinner or acetone. Verify if there are any nicks, scratch or any sharp edges on the surfaces that are intended to mate, if so, then one will have to file or machine the mating surfaces. Run the threads in the cylinder head bolt holes with a tap and free the threads with a die. Align each new gasket over the dowel pins in the block and in case of the use of steel gaskets, apply the requested sealant and then accurately fit the cylinder heads onto the block without interfering with the gaskets. Apply a layer of a non hardening sealant on the threads of the cylinder head bolts before reinstalling them at their original positions tightening them until they are just hand tightened and following the right pattern to tighten them up to the right torque. The reverse follows as the remaining installation steps that are almost similar to the removal process. Last but not the least, replace the engine oil and filter and then turn on the engine and look for the oil and water leakage if any.