How to properly service and replace the Differential Cover on a Cadillac STS?

In order to replace the Differential carrier cover and seal on the left side one should first remove the rear Differential. Next, remove the 9 carrier cover bolts and pull off the carrier cover from the Differential carrier using pry tabs (4, 5, 7). Take off the o-ring seal from the cover. For installation, put the housing cover o-ring in the groove of the housing cover and put a drop of oil in it before casting the housing cover into place on the housing . Make certain to tighten the 9 side cover bolts in a criss-cross sequence going to 29 nm (21 lb ft). Finally, reinstall the rear Differential.

How to replace the LH Differential Cover and seal on Cadillac XLR?

To replace the Differential carrier cover and seal on the left side; one should begin by lifting and supporting the vehicle. Remove the lh rear tire and wheel assembly, then the lh wheel drive shaft, and the lh Muffler assembly. Drain the Differential fluid from the Differential and then mount the Differential and remove the Differential mount from the left side. At this point, use a degreaser to clean the area around the Differential cover of any dirt/debris and then unscrew the two bolts holding the Differential cover onto the body and knock out the dowel pin to release the cover. Make sure you don't lose the magnet located at the bottom of the Differential case, and remove and dispose of the o-ring seal and the axle seal from the Differential side cover. Clean the o-ring sealing surface of the Differential cover and the Differential housing, and insert the new o-ring seal to the Differential cover. Replace the Differential cover, insert the dowel pin, and tighten the cover with retaining bolts to 28 n.m (20 lb ft). Tigten bolt retaining the left Differential mount of 50 n. M, (37 lb ft). Install the axle seal to the Differential cover using the j 46405 output shaft seal installer. Replace the Differential with the right fluids to the appropriate level, and reinstalling the lh Muffler assembly, the lh wheel drive shaft, and the lh rear tire and wheel assembly then dropping the vehicle.

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24 Differential Covers found

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Cadillac Axle Cover, Rear
Part Number: 22891940
$30.79 MSRP: $50.72
You Save: $19.93 (40%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Cover-Rear Axle Housing; Housing Cover; Cover; Cover, Rear Axle Housing
- Position: Rear
- Replaces: 26067040, 3977386
Fits the following Cadillac Models:
- Escalade | 1999-2000 | Base | 8 Cyl 5.7 L GAS
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Cadillac Differential Cover, Rear
Part Number: 25824253
$84.88 MSRP: $139.82
You Save: $54.94 (40%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cover-Rear Axle Housing; Axle Cover; Housing Cover; Cover; Cover, Rear Axle Housing
- Position: Rear
Fits the following Cadillac Models:
- Escalade | 2009-2014 | Base, Hybrid, Hybrid Platinum, Luxury, Platinum, Premium | 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV), 8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 6.2 L FLEX
- Escalade ESV | 2009-2014 | Base, Luxury, Platinum, Premium | 8 Cyl 6.2 L FLEX
- Escalade EXT | 2009-2013 | Base, Luxury, Premium | 8 Cyl 6.2 L FLEX
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Cadillac Differential Cover
Part Number: 23221119
$84.21 MSRP: $138.73
You Save: $54.52 (40%)
ADD TO CART
Product Specifications
- Other Name: Cover-Differential Carrier; Axle Cover; Cover
- Replaces: 22772342
Fits the following Cadillac Models:
- ATS | 2013-2019 | Base, Luxury, Performance, Premium, Premium Luxury, Premium Performance, V | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS, 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
- CTS | 2014-2019 | Base, Luxury, Performance, Premium, Premium Luxury, V, Vsport, Vsport Premium, Vsport Premium Luxury | 4 Cyl 2.0 L GAS, 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS, 8 Cyl 6.2 L GAS
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Cadillac Axle Cover, Rear
Part Number: 19133288
$36.43 MSRP: $54.61
You Save: $18.18 (34%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Cover Kit, Rear Axle Housing (9.5); Cover; Cover Kit, Rear Axle Housing
- Position: Rear
- Replaces: 12471310
Fits the following Cadillac Models:
- Escalade | 2005-2006 | Base | 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
- Escalade ESV | 2005-2006 | Base | 8 Cyl 6.0 L GAS
- Escalade EXT | 2005-2006 | Base | 8 Cyl 6.0 L GAS
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Cadillac Differential Cover, Rear
Part Number: 26067595
$23.01 MSRP: $37.67
You Save: $14.66 (39%)
ADD TO CART
Product Specifications
- Other Name: Cover, Rear Axle Housing; Axle Cover; Housing Cover; Cover
- Position: Rear
- Replaces: 26008172
Fits the following Cadillac Models:
- Escalade | 2002-2003, 1999-2000 | Base | 8 Cyl 5.3 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.0 L GAS
- Escalade ESV | 2003 | Base | 8 Cyl 6.0 L GAS
- Escalade EXT | 2002 | Base | 8 Cyl 6.0 L GAS
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Cadillac Axle Cover, Rear
Part Number: 19333218
$60.80 MSRP: $103.51
You Save: $42.71 (42%)
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Product Specifications
- Other Name: Cover Kit, Rear Axle Housing; Housing Cover; Cover
- Position: Rear
- Replaces: 12471640, 12471309, 15290822
Fits the following Cadillac Models:
- Escalade | 2003-2008 | Base, Platinum | 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L GAS
- Escalade ESV | 2003-2008 | Base, Platinum | 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L GAS
- Escalade EXT | 2002-2008 | Base | 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L GAS
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Cadillac Axle Cover, Rear
Part Number: 15634024
$82.08 MSRP: $130.32
You Save: $48.24 (38%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Cover, Rear Axle Housing
- Position: Rear
Fits the following Cadillac Models:
- Escalade | 1999-2000 | Base | 8 Cyl 5.7 L GAS
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Cadillac Carrier Cover
Part Number: 19132786
$130.88 MSRP: $205.93
You Save: $75.05 (37%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Differential Cover
- Position: Driver Side
Fits the following Cadillac Models:
- XLR | 2006-2007 | Base, V | 8 Cyl 4.4 L GAS, 8 Cyl 4.6 L GAS
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Cadillac Axle Cover
Part Number: 12471311
$23.18 MSRP: $46.54
You Save: $23.36 (51%)
ADD TO CART
Product Specifications
- Other Name: Cover Package; Cover
- Position: Rear
Fits the following Cadillac Models:
- Escalade | 2002-2006 | Base | 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
- Escalade ESV | 2003-2006 | Base | 8 Cyl 6.0 L GAS
- Escalade EXT | 2002-2006 | Base | 8 Cyl 6.0 L GAS
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Cadillac Differential Cover
Part Number: 23221118
$108.18 MSRP: $178.22
You Save: $70.04 (40%)
ADD TO CART
Product Specifications
- Other Name: Cover-Differential Carrier; Axle Cover; Cover
- Replaces: 22772343
Fits the following Cadillac Models:
- ATS | 2013-2019 | Base, Luxury, Performance, Premium, Premium Luxury, Premium Performance, V | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS, 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
View related parts
Cadillac Axle Cover, Rear
Part Number: 26067253
Product Specifications
- Other Name: Cover, Rear Axle Housing; Housing Cover; Cover
- Position: Rear
Fits the following Cadillac Models:
- Escalade | 2002-2004, 1999-2000 | Base | 8 Cyl 5.3 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.0 L GAS
- Escalade ESV | 2003-2005 | Base | 8 Cyl 6.0 L GAS
- Escalade EXT | 2002-2004 | Base | 8 Cyl 6.0 L GAS
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Cadillac Differential Cover, Rear
Part Number: 19133285
$117.73 MSRP: $185.23
You Save: $67.50 (37%)
Product Specifications
- Other Name: Cover Kit, Rear Axle Housing (9.5); Axle Cover; Cover; Cover Kit, Rear Axle Housing
- Position: Rear
Fits the following Cadillac Models:
- Escalade | 2007-2013 | Base, Hybrid, Hybrid Platinum, Luxury, Platinum, Premium | 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV), 8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
- Escalade ESV | 2007-2014 | Base, Luxury, Platinum, Premium | 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
- Escalade EXT | 2007-2013 | Base, Luxury, Premium | 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
View More
View related parts
Cadillac Axle Cover, Rear
Part Number: 12471445
Product Specifications
- Other Name: Cover Kit, Rear Axle Housing; Cover
- Position: Rear
Fits the following Cadillac Models:
- Escalade | 2002-2006 | Base | 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
- Escalade ESV | 2003-2006 | Base | 8 Cyl 6.0 L GAS
- Escalade EXT | 2002-2006 | Base | 8 Cyl 6.0 L GAS
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Cadillac Axle Cover
Part Number: 90446834
Product Specifications
- Other Name: Cover; Cover, Rear Axle Housing
- Position: Rear
Fits the following Cadillac Models:
- Catera | 1997-2001 | Base, Sport | 6 Cyl 3.0 L GAS
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Cadillac Front Cover, Rear
Part Number: 12458079
Product Specifications
- Other Name: Cover, Rear Axle Housing
- Position: Rear
Fits the following Cadillac Models:
- XLR | 2004-2009 | Base, Platinum, V | 8 Cyl 4.4 L GAS, 8 Cyl 4.6 L GAS
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Cadillac Carrier Cover
Part Number: 88984421
Product Specifications
- Other Name: Cover, Differential Carrier; Differential Cover; Cover
Fits the following Cadillac Models:
- CTS | 2003-2004 | Base, Luxury, Luxury Sport, V | 6 Cyl 3.2 L GAS, 6 Cyl 3.6 L GAS, 8 Cyl 5.7 L GAS
View related parts
Cadillac Carrier Cover
Part Number: 88996685
Product Specifications
- Other Name: Cover; Differential Cover
- Position: Passenger Side
Fits the following Cadillac Models:
- XLR | 2004-2005 | Base | 8 Cyl 4.6 L GAS
View related parts
Cadillac Carrier Cover
Part Number: 88996684
Product Specifications
- Other Name: Differential Cover; Cover
- Position: Driver Side
Fits the following Cadillac Models:
- XLR | 2004-2005 | Base | 8 Cyl 4.6 L GAS
View related parts
Cadillac Carrier Cover
Part Number: 19132781
Product Specifications
- Other Name: Differential Cover; Cover
- Position: Driver Side
Fits the following Cadillac Models:
- XLR | 2006 | Base | 8 Cyl 4.6 L GAS
View related parts
Cadillac Differential Cover
Part Number: 89058619
Product Specifications
- Other Name: Cover, Differential Carrier; Carrier Cover; Cover
Fits the following Cadillac Models:
- CTS | 2004 | Base, V | 6 Cyl 3.2 L GAS, 6 Cyl 3.6 L GAS, 8 Cyl 5.7 L GAS
- SRX | 2004-2006 | Base | 6 Cyl 3.6 L GAS, 8 Cyl 4.6 L GAS
- STS | 2005-2007 | Base | 6 Cyl 3.6 L GAS, 8 Cyl 4.6 L GAS
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1-20 of 24 Results

Cadillac Differential Cover Parts Questions & Experts Answers

Differential Cover
19256182
Q: How to properly service and replace the Differential Cover on a Cadillac STS?
A: In order to replace the Differential carrier cover and seal on the left side one should first remove the rear Differential. Next, remove the 9 carrier cover bolts and pull off the carrier cover from the Differential carrier using pry tabs (4, 5, 7). Take off the o-ring seal from the cover. For installation, put the housing cover o-ring in the groove of the housing cover and put a drop of oil in it before casting the housing cover into place on the housing . Make certain to tighten the 9 side cover bolts in a criss-cross sequence going to 29 nm (21 lb ft). Finally, reinstall the rear Differential.
Front Cover, Rear
12458079
Q: How to replace the LH Differential Cover and seal on Cadillac XLR?
A: To replace the Differential carrier cover and seal on the left side; one should begin by lifting and supporting the vehicle. Remove the lh rear tire and wheel assembly, then the lh wheel drive shaft, and the lh Muffler assembly. Drain the Differential fluid from the Differential and then mount the Differential and remove the Differential mount from the left side. At this point, use a degreaser to clean the area around the Differential cover of any dirt/debris and then unscrew the two bolts holding the Differential cover onto the body and knock out the dowel pin to release the cover. Make sure you don't lose the magnet located at the bottom of the Differential case, and remove and dispose of the o-ring seal and the axle seal from the Differential side cover. Clean the o-ring sealing surface of the Differential cover and the Differential housing, and insert the new o-ring seal to the Differential cover. Replace the Differential cover, insert the dowel pin, and tighten the cover with retaining bolts to 28 n.m (20 lb ft). Tigten bolt retaining the left Differential mount of 50 n. M, (37 lb ft). Install the axle seal to the Differential cover using the j 46405 output shaft seal installer. Replace the Differential with the right fluids to the appropriate level, and reinstalling the lh Muffler assembly, the lh wheel drive shaft, and the lh rear tire and wheel assembly then dropping the vehicle.

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