How to replace the engine front timing cover on GMC Sierra 1500?

First, remove the Water Pump, the crankshaft balancer, remove Oil Pan to front cover bolts and front cover bolts in order to remove the engine front cover. Next, you should remove the front cover, and gasket, throwing the old gasket away. In case it is necessary, clean and check the engine front cover. It is essential not to do reuse crankshaft and oil seal found cover gasket and to not use any sealant on the found cover gasket except if specified. Make sure that all gasket surfaces are clean of oil or foreign material when assembling and align the crankshaft front oil seal relative to the crankshaft to avoid premature wear and oil leaks. Pre-apply a 5 mm (0.20 inch) bead of sealant gm p/n 12378190, or equivalent, 20 mm (0.80 inch) long on the Oil Pan to engine block junction, then apply the front cover gasket and cover. Tighten the front cover bolts and Oil Pan- to front cover bolts until snug and make sure there is no overtightening. Using the j41476 front and rear cover alignment tool j41476 , align the front cover correctly in such a way that the tapered legs that face the machined surfaces. Tighten the Oil Pan to front cover and bolts to 25 nm (18 ft. Lbs.) and the engine front cover bolts to 25 nm (18 ft. Lbs.). Take out the j41476, then install a new crankshaft front oil seal and last but not least install a new Water Pump.

OEM GMC Sierra 1500 Timing Cover

Engine Timing Cover

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18 Timing Covers found

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GMC Sierra 1500 Timing Cover Part Number: 12633906
$110.64 MSRP: $188.36
You Save: $77.72 (42%)
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Product Specifications
- Other Name: Cover Assembly-Engine Front; Front Cover; Cover, Engine Front Cover
- Position: Front
- Replaces: 12561243
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1999-2007 GMC Sierra 1500 | Base, C3, Denali, HT, Hybrid, SL, SLE, SLT, WT | 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L GAS
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GMC Sierra 1500 Timing Cover Part Number: 93445880
$89.81 MSRP: $152.92
You Save: $63.11 (42%)
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Product Specifications
- Other Name: Cover Assembly-Engine Front; Front Cover; Cover, Engine Front Cover
- Position: Front
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2007 GMC Sierra 1500 | Base, SL, WT | 6 Cyl 4.3 L GAS
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GMC Sierra 1500 Timing Cover Part Number: 89017259
$92.81 MSRP: $158.02
You Save: $65.21 (42%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Cover, Engine Front Cover; Front Cover; Cover Kit, Engine Front Cover
- Position: Front
- Replaces: 12554555
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1999-2004 GMC Sierra 1500 | Base, HT, SL, SLE, SLT, WT | 6 Cyl 4.3 L GAS
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GMC Sierra 1500 Timing Cover, Front Part Number: 12691692
$40.76 MSRP: $98.27
You Save: $57.51 (59%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Cover-Engine Front (Machining); Front Cover; Cover, Engine Front Cover
- Position: Front
- Replaces: 12693267, 12688496, 12621363
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2023 GMC Sierra 1500 | AT4, AT4X, Base, Denali, Denali Ultimate, Elevation, SLE, SLT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 5.3 L MILD HYBRID EV-GAS (MHEV), 8 Cyl 6.2 L GAS
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GMC Sierra 1500 Timing Cover, Front Part Number: 12594939
$45.81 MSRP: $78.00
You Save: $32.19 (42%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Cover-Engine Front (Machining); Front Cover; Cover, Engine Front Cover
- Position: Front
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2013 GMC Sierra 1500 | Denali, Hybrid, SL, SLE, SLT, WT, XFE | 8 Cyl 4.8 L FLEX, 8 Cyl 5.3 L FLEX, 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV), 8 Cyl 6.2 L FLEX
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GMC Sierra 1500 Rear Cover, Lower Part Number: 55515618
$68.88 MSRP: $107.89
You Save: $39.01 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Cover Assembly-Timing Chain Lower; Crankshaft Seal; Timing Cover; Rear Main Seal Retainer; Rear Main Seal Housing; Housing
- Position: Lower
- Replaced by: 40009071
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2020-2023 GMC Sierra 1500 | AT4, AT4X, Denali, Denali Ultimate, Elevation, SLE, SLT | 6 Cyl 3.0 L DIESEL
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GMC Sierra 1500 Rear Cover Part Number: 12731559
$39.55 MSRP: $61.95
You Save: $22.40 (37%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Housing Assembly, Crankshaft Rear Oil Seal; Housing
- Position: Rear
- Replaces: 12687463, 12707673
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019-2023 GMC Sierra 1500 | Base, Elevation, Pro, SLE | 4 Cyl 2.7 L GAS
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GMC Sierra 1500 Front Cover Part Number: 12728654
$43.95 MSRP: $68.82
You Save: $24.87 (37%)
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Product Specifications
- Other Name: Cover Assembly-Timing Chain Upper; Upper Timing Cover; Cover, Engine Cover Front; Cover, Engine Front Cover
- Replaces: 12689670
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019-2023 GMC Sierra 1500 | Base, Elevation, Pro, SLE | 4 Cyl 2.7 L GAS
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GMC Sierra 1500 Front Cover Part Number: 12716029
$35.40 MSRP: $58.32
You Save: $22.92 (40%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Cover Assembly-Engine Front; Timing Cover; Lower Timing Cover
- Replaced by: 12731560
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019-2023 GMC Sierra 1500 | Base, Elevation, Pro, SLE | 4 Cyl 2.7 L GAS
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GMC Sierra 1500 Timing Cover, Front Part Number: 12691696
$59.85 MSRP: $93.75
You Save: $33.90 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Cover-Engine Front (Machining); Front Cover; Cover, Engine Front Cover
- Position: Front
- Replaces: 12688895
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019-2021 GMC Sierra 1500 | Base | 6 Cyl 4.3 L GAS
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GMC Sierra 1500 Timing Cover, Front Part Number: 12691693
$60.01 MSRP: $144.68
You Save: $84.67 (59%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cover-Engine Front (Machining); Front Cover; Cover, Engine Front Cover
- Position: Front
- Replaces: 12693268, 12632808
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2018 GMC Sierra 1500 | Base, Denali, SLE, SLT | 6 Cyl 4.3 L FLEX, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 5.3 L MILD HYBRID EV-GAS (MHEV), 8 Cyl 6.2 L GAS
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GMC Sierra 1500 Timing Cover, Front Part Number: 12688896
$60.56 MSRP: $94.86
You Save: $34.30 (37%)
ADD TO CART
Product Specifications
- Other Name: Cover-Engine Front (Machining); Front Cover; Cover, Engine Front Cover
- Position: Front
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2019-2023 GMC Sierra 1500 | AT4, Base, Denali, Elevation, Pro, SLE, SLT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
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GMC Sierra 1500 Timing Cover, Front Part Number: 12652364
$88.20 MSRP: $138.11
You Save: $49.91 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Cover-Engine Front (Machining)
- Position: Front
- Replaces: 12688705
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2016-2018 GMC Sierra 1500 | Base, Denali, SLE, SLT | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS, 8 Cyl 5.3 L MILD HYBRID EV-GAS (MHEV), 8 Cyl 6.2 L GAS
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GMC Sierra 1500 Timing Cover, Front Part Number: 12636045
$76.71 MSRP: $120.16
You Save: $43.45 (37%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Cover-Engine Front (Machining); Front Cover; Cover, Engine Front Cover
- Position: Front
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2013 GMC Sierra 1500 | Hybrid | 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV)
View related parts
GMC Sierra 1500 Timing Cover Part Number: 12636046
Product Specifications
- Other Name: Cover Assembly-Engine Front; Front Cover
- Position: Front
- Replaces: 12621346, 12599916
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009 GMC Sierra 1500 | Hybrid | 8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV)
View related parts
GMC Sierra 1500 Timing Cover Part Number: 12616491
Product Specifications
- Other Name: Cover Assembly-Engine Front; Front Cover
- Position: Front
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2010 GMC Sierra 1500 | Denali, Hybrid, SLE, SLT | 8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
View related parts
GMC Sierra 1500 Timing Cover Part Number: 12600325
Product Specifications
- Other Name: Cover Assembly-Engine Front; Front Cover
- Position: Front
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2010 GMC Sierra 1500 | SL, SLE, SLT, WT, XFE | 8 Cyl 4.8 L FLEX, 8 Cyl 4.8 L GAS, 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS
View related parts
GMC Sierra 1500 Timing Cover, Front Part Number: 12591746
$52.30 MSRP: $81.93
You Save: $29.63 (37%)
Product Specifications
- Other Name: Cover, Engine Front Cover; Front Cover
- Position: Front
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2013 GMC Sierra 1500 | WT | 6 Cyl 4.3 L GAS

GMC Sierra 1500 Timing Cover

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GMC Sierra 1500 Timing Cover Parts Questions & Experts Answers

Timing Cover
93445880
Q: How to replace the engine front timing cover on GMC Sierra 1500?
A:
First, remove the Water Pump, the crankshaft balancer, remove Oil Pan to front cover bolts and front cover bolts in order to remove the engine front cover. Next, you should remove the front cover, and gasket, throwing the old gasket away. In case it is necessary, clean and check the engine front cover. It is essential not to do reuse crankshaft and oil seal found cover gasket and to not use any sealant on the found cover gasket except if specified. Make sure that all gasket surfaces are clean of oil or foreign material when assembling and align the crankshaft front oil seal relative to the crankshaft to avoid premature wear and oil leaks. Pre-apply a 5 mm (0.20 inch) bead of sealant gm p/n 12378190, or equivalent, 20 mm (0.80 inch) long on the Oil Pan to engine block junction, then apply the front cover gasket and cover. Tighten the front cover bolts and Oil Pan- to front cover bolts until snug and make sure there is no overtightening. Using the j41476 front and rear cover alignment tool j41476 , align the front cover correctly in such a way that the tapered legs that face the machined surfaces. Tighten the Oil Pan to front cover and bolts to 25 nm (18 ft. Lbs.) and the engine front cover bolts to 25 nm (18 ft. Lbs.). Take out the j41476, then install a new crankshaft front oil seal and last but not least install a new Water Pump.