What is the importance of serpentine drivebelts and how should they be inspected and replaced on Cadillac CTS?

The serpentine drivebelt(s) are situated at the front of the engine and are crucial for the engine's operation, driving components such as the alternator, power steering pump, water pump, air conditioning compressor, and supercharger in later V8 models. Various configurations exist, from a single belt to multiple belts, and these belts are susceptible to wear, necessitating periodic inspections. The tension of the belt is automatically managed by the tensioner, which does not require manual adjustments; visual checks can be performed using the wear indicator marks on the tensioner body. To inspect the belts thoroughly, the engine must be turned to move the belt from the pulleys, allowing for a complete examination for cracks, fraying, and other damage. Small cracks on ribbed belts are generally acceptable unless they are extensive or deep. When replacing belts, it is important to note the routing of the belts on the pulleys. For single drive-belt models, the tension can be released using a ratchet or breaker bar, and the belt can be removed from the pulleys. For multiple drive-belt models, the outer belt should be removed first, followed by the inner belt, with the installation of new belts requiring careful seating in the pulley grooves. In V8 engines, specific steps involve removing the air filter housing duct and using a socket to release tension on the accessory drivebelt. For 2009 and later models, the outer supercharger drivebelt is removed first, followed by the accessory drivebelt, with installation procedures ensuring proper seating of the new belts. The air conditioning compressor drivebelt requires cutting for removal, and a special tool is used for installation. Tensioners can be detached from both V6 and V8 models by removing the securing bolts, with installation following the reverse order and ensuring proper torque on the tensioner bolts.

Genuine Cadillac CTS Drive Belt

Serpentine Belt

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18 Drive Belts found

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Cadillac CTS Belt, Water Pump & A/C Compressor & Generator
Part Number: 12647764
$26.44 MSRP: $47.43
You Save: $20.99 (45%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: BELT, Drive; Serpentine Belt
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2016-2019 Cadillac CTS | 4 DOOR PERFORMANCE SEDAN, 4 DOOR PLUS SEDAN, 4 DOOR PREMIUM SEDAN | 6 Cyl 3.6L
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Cadillac CTS Belt, Water Pump & A/C Compressor & Generator & P/S Pump
Part Number: 12630513
$15.45 MSRP: $29.16
You Save: $13.71 (48%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: BELT, Drive; Serpentine Belt
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2019 Cadillac CTS | 4 DOOR PREMIUM SEDAN | 6 Cyl 3.6L
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Cadillac CTS Belt, Generator & A/C Compressor
Part Number: 12652186
$17.79 MSRP: $32.34
You Save: $14.55 (45%)
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Product Specifications
- Other Name: BELT, Drive; Serpentine Belt
- Replaced by: 12664598
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2015 Cadillac CTS | 4 DOOR PERFORMANCE SEDAN, 4 DOOR PREMIUM SEDAN, 4 DOOR SEDAN | 4 Cyl 2.0L
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Cadillac CTS Belt, Water Pump & Generator
Part Number: 12643218
$19.29 MSRP: $34.59
You Save: $15.30 (45%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: BELT, Drive; Belt, Serpentine Belt
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2016-2019 Cadillac CTS | 4 DOOR V-SERIES SEDAN | 8 Cyl 6.2L
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Cadillac CTS Belt, A/C Cmpr
Part Number: 12685983
$15.92 MSRP: $27.88
You Save: $11.96 (43%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: AC Belt, Belt
- Replaces: 12643219
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2016-2019 Cadillac CTS | 4 DOOR V-SERIES SEDAN | 8 Cyl 6.2L
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Cadillac CTS Belt, Water Pump & A/C Compressor & Generator & P/S Pump
Part Number: 12638664
$35.58 MSRP: $63.82
You Save: $28.24 (45%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: BELT, Drive; Serpentine Belt
- Replaces: 12618792
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2014 Cadillac CTS | 2 DOOR COUPE, 4 DOOR, 4 DOOR (RHD), 4 DOOR SEDAN, 4 DOOR SEDAN(RHD), 4 DOOR STATION WAGON, 4 DOOR STATION WAGON(RHD), 4 DOOR WAGON, 4 DOOR WAGON(RHD) | 6 Cyl 3.0L, 6 Cyl 3.6L
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Cadillac CTS Belt, Water Pump & Generator
Part Number: 12621991
$58.84 MSRP: $105.53
You Save: $46.69 (45%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: BELT, Drive; Alternator Belt, Serpentine Belt
- Replaces: 12578002
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004-2009 Cadillac CTS | 4 DOOR, 4 DOOR RHD, 4 DOOR(RHD), V 4 DOOR | 6 Cyl 2.8L, 6 Cyl 3.6L
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Cadillac CTS Belt, Supercharge (Service)
Part Number: 12676726
$42.49 MSRP: $76.24
You Save: $33.75 (45%)
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Product Specifications
- Other Name: Belt, Spchg (Service)
- Replaces: 12625035, 12636227, 12628026
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009-2015 Cadillac CTS | V 2 DOOR COUPE, V 4 DOOR, V 4 DOOR SEDAN, V 4 DOOR WAGON | 8 Cyl 6.2L
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Cadillac CTS Belt, Water Pump & Generator & P/S Pump
Part Number: 12628027
$36.33 MSRP: $65.16
You Save: $28.83 (45%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: BELT, Drive; Serpentine Belt
- Replaces: 12612517
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009-2015 Cadillac CTS | V 2 DOOR COUPE, V 4 DOOR, V 4 DOOR SEDAN, V 4 DOOR WAGON | 8 Cyl 6.2L
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Cadillac CTS Belt, A/C Compressor
Part Number: 12578549
$36.61 MSRP: $65.66
You Save: $29.05 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: BELT, Drive; AC Belt, Serpentine Belt
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004-2007 Cadillac CTS | V 4 DOOR | 8 Cyl 5.7L, 8 Cyl 6.0L
View related parts
Cadillac CTS Belt, Generator & A/C Compressor
Part Number: 12664598
$18.03 MSRP: $32.34
You Save: $14.31 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: BELT, Drive; Serpentine Belt
- Replaces: 12652186
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2019 Cadillac CTS | 4 DOOR PERFORMANCE SEDAN, 4 DOOR PLUS SEDAN, 4 DOOR PREMIUM SEDAN, 4 DOOR SEDAN | 4 Cyl 2.0L
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Cadillac CTS Belt, Supercharge
Part Number: 12668317
$70.26 MSRP: $126.02
You Save: $55.76 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: BELT, Drive; Belt, Supercharger Belt
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2016-2019 Cadillac CTS | 4 DOOR V-SERIES SEDAN | 8 Cyl 6.2L
View related parts
Cadillac CTS Belt, Water Pump & A/C Compressor & Generator & P/S Pump
Part Number: 12648981
$27.31 MSRP: $48.98
You Save: $21.67 (45%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: BELT, Drive; Serpentine Belt
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2015 Cadillac CTS | 4 DOOR PERFORMANCE SEDAN, 4 DOOR PREMIUM SEDAN, 4 DOOR SEDAN | 6 Cyl 3.6L
View related parts
Cadillac CTS Belt, Water Pump & Generator & P/S Pump
Part Number: 12578553
$26.94 MSRP: $48.32
You Save: $21.38 (45%)
Product Specifications
- Other Name: BELT, Drive; Serpentine Belt
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004-2007 Cadillac CTS | V 4 DOOR | 8 Cyl 5.7L, 8 Cyl 6.0L
View related parts
Cadillac CTS Belt, A/C Compressor & P/S Pump
Part Number: 12606116
Product Specifications
- Other Name: BELT, Drive; AC Belt, Serpentine Belt
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008-2009 Cadillac CTS | 4 DOOR, 4 DOOR RHD | 6 Cyl 3.6L
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Cadillac CTS Belt Kit,A/C Compressor
Part Number: 19180340
Product Specifications
- Other Name: BELT KIT, Drive; AC Belt, Serpentine Belt
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009-2015 Cadillac CTS | V 2 DOOR COUPE, V 4 DOOR, V 4 DOOR SEDAN, V 4 DOOR WAGON | 8 Cyl 6.2L
View related parts
Cadillac CTS Belt,Generator <Do Not Use After My 2019>
Part Number: 19355373
$41.56 MSRP: $74.54
You Save: $32.98 (45%)
Product Specifications
- Other Name: BELT,GEN ; Serpentine Belt
- Replaces: 24441692
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2004 Cadillac CTS | 4 DOOR, 4 DOOR RHD, 4 DOOR(RHD), V 4 DOOR | 6 Cyl 3.2L
View related parts
Cadillac CTS Belt,A/C Compressor & P/S Pump
Part Number: 12578001
Product Specifications
- Other Name: BELT, Drive; AC Belt, Serpentine Belt
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004-2007 Cadillac CTS | 4 DOOR, 4 DOOR RHD, 4 DOOR(RHD), V 4 DOOR | 6 Cyl 2.8L, 6 Cyl 3.6L

Cadillac CTS Drive Belt

The Cadillac CTS specifically pertaining to the Drive Belt is extremely important since it interconnects the engine to essential parts like the alternator, A/C compressor among other things. Usually a serpentine belt is used, encircles these elements and connects them to the crankshaft pulley. This design enables power to be transmitted effectively with most Drive Belts expected to last for about 100000 miles albeit to some they may wear off early. For the last few years Cadillac CTS has used various types of Drive Belts, which are V-belts and multi-groove belts both having their own benefits. V-belts improve the belt/accurate traction and long working life while multi-groove belts offer flexibility and high effectiveness for complicated power transmitting processes. Drive Belt type has implications on performance and frequent replacement and Cadillac CTS owners have to keep an eye on its condition to avoid major problems with the engine and parts.

Each OEM Cadillac CTS Drive Belt 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.

Cadillac CTS Drive Belt Parts Questions & Experts Answers

Belt, Water Pump & Generator & P/S Pump
12628027
Q: What is the importance of serpentine drivebelts and how should they be inspected and replaced on Cadillac CTS?
A: The serpentine drivebelt(s) are situated at the front of the engine and are crucial for the engine's operation, driving components such as the alternator, power steering pump, water pump, air conditioning compressor, and supercharger in later V8 models. Various configurations exist, from a single belt to multiple belts, and these belts are susceptible to wear, necessitating periodic inspections. The tension of the belt is automatically managed by the tensioner, which does not require manual adjustments; visual checks can be performed using the wear indicator marks on the tensioner body. To inspect the belts thoroughly, the engine must be turned to move the belt from the pulleys, allowing for a complete examination for cracks, fraying, and other damage. Small cracks on ribbed belts are generally acceptable unless they are extensive or deep. When replacing belts, it is important to note the routing of the belts on the pulleys. For single drive-belt models, the tension can be released using a ratchet or breaker bar, and the belt can be removed from the pulleys. For multiple drive-belt models, the outer belt should be removed first, followed by the inner belt, with the installation of new belts requiring careful seating in the pulley grooves. In V8 engines, specific steps involve removing the air filter housing duct and using a socket to release tension on the accessory drivebelt. For 2009 and later models, the outer supercharger drivebelt is removed first, followed by the accessory drivebelt, with installation procedures ensuring proper seating of the new belts. The air conditioning compressor drivebelt requires cutting for removal, and a special tool is used for installation. Tensioners can be detached from both V6 and V8 models by removing the securing bolts, with installation following the reverse order and ensuring proper torque on the tensioner bolts.