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Genuine 1999 GMC Sierra Differential

Front Differential
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9 Differentials found

  • 1999 GMC Sierra Differential - 15801501
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    1999 GMC Sierra Front Differential Case

    Part Number: 15801501
    $199.76 MSRP: $502.65
    You Save: $302.89 (61%)
    Ships in 1-2 Business Days
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    Product Specifications
    • Other Name: Case, Front Differential ; Case, Front/Rear Differential And Planet; Differential Case
    • Position: Front
    • Replaces: 26018131
    • Item Weight: 12.70 Pounds
    • Item Dimensions: 8.2 x 7.4 x 7.5 inches
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: 15801501
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    More Info
    Fits the following 1999 GMC Sierra Submodels:
    • 1500 CREW CAB STANDARD BOX, 1500 DOUBLE 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, 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, 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 | 6 Cyl 4.3L, 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
  • 1999 GMC Sierra Differential - 19244836
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    1999 GMC Sierra Differential Case Assembly (W/Side & Pinion Gears) "Enhance Gears"

    Part Number: 19244836
    $608.72 MSRP: $966.47
    You Save: $357.75 (38%)
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    Product Specifications
    • Other Name: Case Asm,Differential (W/Side & Pinion Gears) "Enhance Gears" ; Case, Front/Rear Differential And Planet; Differential Case
    • Replaces: 12471540, 26060748
    • Item Weight: 17.30 Pounds
    • Item Dimensions: 15.2 x 12.3 x 11.7 inches
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: 19244836
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    More Info
    Fits the following 1999 GMC Sierra Submodels:
    • 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, 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, 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 | 6 Cyl 4.3L, 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L, 8 Cyl 6.2L
  • 1999 GMC Sierra Differential - 23362369
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    1999 GMC Sierra Front Differential Carrier Assembly

    Part Number: 23362369
    $1226.87 MSRP: $1947.88
    You Save: $721.01 (38%)
    Ships in 1-3 Business Days
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    Product Specifications
    • Other Name: Carrier Assembly, Front Differential
    • Position: Front
    • Replaces: 12471637, 19121737, 26058827, 15911670
    • Item Weight: 34.00 Pounds
    • Item Dimensions: 24.7 x 21.8 x 15.3 inches
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: 23362369
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    More Info
    Fits the following 1999 GMC Sierra Submodels:
    • 1500 CREW CAB LONG 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, CLASSIC 1500 CREW CAB LONG 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, CREW CAB 1 TON, CREW CAB 6'6" BOX 3/4 TON, CREW CAB 8' BOX 3/4 TON, EXTENDED CAB 1 TON, EXTENDED CAB 6'6" BOX 3/4 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 CHASSIS 1 TON 137.0, REGULAR CAB CHASSIS 1 TON 161.5 | 6 Cyl 4.3L, 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L, 8 Cyl 6.0L Flex, 8 Cyl 6.2L, 8 Cyl 6.6L Diesel, 8 Cyl 8.1L
  • 1999 GMC Sierra Differential - 14038087
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    1999 GMC Sierra Differential CASE

    Part Number: 14038087
    $448.99 MSRP: $743.12
    You Save: $294.13 (40%)
    Ships in 1-2 Business Days
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    Product Specifications
    • Other Name: Case,Differential
    • Replaces: 85106136
    • Item Weight: 20.40 Pounds
    • Item Dimensions: 13.5 x 12.1 x 12.3 inches
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: 14038087
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    More Info
    Fits the following 1999 GMC Sierra Submodels:
    • 1500 CREW CAB LONG 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, CLASSIC 1500 CREW CAB LONG 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, 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 CHASSIS 1 TON 137.0, REGULAR CAB CHASSIS 1 TON 161.5 | 6 Cyl 4.3L, 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, 8 Cyl 6.6L Diesel, 8 Cyl 8.1L
  • 1999 GMC Sierra Differential - 22849885
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    1999 GMC Sierra Differential Assembly

    Part Number: 22849885
    $1155.28 MSRP: $1493.56
    You Save: $338.28 (23%)
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    Product Specifications
    • Other Name: Differential Asm; Differential, Differential Case
    • Replaces: 12471410, 12471387, 26039771
    • Item Weight: 29.60 Pounds
    • Item Dimensions: 14.0 x 12.1 x 11.8 inches
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: 22849885
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    More Info
    Fits the following 1999 GMC Sierra Submodels:
    • 1500 CREW CAB LONG BOX, 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, CLASSIC 1500 CREW CAB LONG BOX, 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 | 6 Cyl 4.3L, 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, 8 Cyl 6.6L Diesel, 8 Cyl 8.1L
  • 1999 GMC Sierra Differential - 26067357
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    1999 GMC Sierra Front/Rear Differential and Planet CASE

    Part Number: 26067357
    $607.65 MSRP: $818.93
    You Save: $211.28 (26%)
    Ships in 1-2 Business Days
    ADD TO CART
    Product Specifications
    • Other Name: Case, Front/Rear Differential And Planet; Carrier, Differential Case
    • Position: Front and Rear
    • Replaces: 06258336, 6258336
    • Item Weight: 27.50 Pounds
    • Item Dimensions: 13.5 x 13.1 x 10.9 inches
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: 26067357
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    More Info
    Fits the following 1999 GMC Sierra Submodels:
    • 2500 CREW CAB LONG BOX, 2500 CREW CAB STANDARD BOX, 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB, 2500 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, 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 6'6" BOX 3/4 TON, EXTENDED CAB 8' BOX 3/4 TON, REGULAR CAB 3/4 TON | 8 Cyl 5.3L, 8 Cyl 6.0L, 8 Cyl 6.0L Flex, 8 Cyl 6.6L Diesel
  • 1999 GMC Sierra Differential - 84554713
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    1999 GMC Sierra Differential Assembly, L/Slip

    Part Number: 84554713
    $536.86 MSRP: $852.40
    You Save: $315.54 (38%)
    Product Specifications
    • Other Name: Bolt, Differential, Differential Case, Gear Kit
    • Replaces: 12471529, 15859982, 22890843, 25965277, 25902687, 26061260, 22792305, 25862712, 25872306
    • Item Weight: 27.00 Pounds
    • Item Dimensions: 14.3 x 14.3 x 14.4 inches
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: 84554713
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    More Info
    Fits the following 1999 GMC Sierra Submodels:
    • 1500 CREW CAB, 1500 CREW CAB LONG BOX, 1500 CREW CAB STANDARD BOX, 1500 DOUBLE 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, 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, 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 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, 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
  • 1999 GMC Sierra Differential - 6258340
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    1999 GMC Sierra Gear, Bolt Differential Open Case Kit, 10.5"

    Part Number: 6258340
    Product Specifications
    • Other Name: Differential Case & Cover Asm ; Case, Front/Rear Differential And Planet; Differential Case
    • Item Weight: 30.60 Pounds
    • Item Dimensions: 13.2 x 13.3 x 10.7 inches
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: 6258340
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    More Info
    Fits the following 1999 GMC Sierra Submodels:
    • 2500 EXTENDED CAB LONG BOX, 2500 EXTENDED CAB STANDARD BOX, 2500 REGULAR CAB | 8 Cyl 5.3L, 8 Cyl 6.0L
  • 1999 GMC Sierra Differential - 19149478
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    1999 GMC Sierra Front Differential Carrier

    Part Number: 19149478
    Product Specifications
    • Other Name: Carrier,Front Differential
    • Position: Front
    • Item Weight: 20.20 Pounds
    • Item Dimensions: 23.7 x 18.8 x 11.8 inches
    • Condition: New
    • Fitment Type: Direct Replacement
    • SKU: 19149478
    • Warranty: This genuine part is guaranteed by GM's factory warranty.
    More Info
    Fits the following 1999 GMC Sierra Submodels:
    • 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, 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 | 6 Cyl 4.3L, 8 Cyl 4.8L, 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L, 8 Cyl 6.2L

1999 GMC Sierra Differential

We are your prime source for competitively priced and high-quality OEM 1999 GMC Sierra Differential. We provide you with parts that will allow you to save a lot of money without sacrificing quality. All our OEM parts are backed by the manufacturer's warranty and shipped out at a swift rate.

Related 1999 GMC Sierra Parts

Alternate Year Models

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2000 GMC Sierra Differential