< Back ×
Genuine GM 12666591
Serpentine Idler Pulley
Customer Questions & Answers (3)
- Part Description Pulley Assembly-Belt Idler
- Brand GM
$25.96
MSRP: $48.99
You Save: $23.03 (48%)
In Stock. Ships in 1-3 Business Days
Vehicle Specific
Check if it fits by entering your vehicle infoSelect Your Vehicle
Why Choose AutoPartsPrime
- Dedicated Service
We have experienced professionals here to help you via phone, live chat or email.
- Unbeatable Prices
We offer genuine OEM parts at the best possible discounted prices online.
- Fast Delivery
Your orders are processed efficiently and delivered as promptly as possible.
Shipping & Return
Product Specifications
Brand Genuine General Motors Manufacturer Part Number 12666591 Part Description Pulley Assembly-Belt Idler Other Description Serpentine Idler Pulley Other Names Idler Pulley, Serpentine Idler Pulley Item Dimensions 5.0 x 4.5 x 4.3 inches Item Weight 0.70 Pounds Condition New Fitment Type Direct Replacement Manufacturer Genuine General Motors SKU 12666591 Warranty This genuine GM part is guaranteed by GM's factory warranty. For more information, please see our Warranty Page. Warning: California’s Proposition 65Vehicle Fitment
Year Make Model Engine Important vehicle option details 2020-2022 Cadillac CT4 4 Cyl 2.7L LUXURY SEDAN, V-SERIES SPORT SEDAN 2019-2020 Cadillac CT6 8 Cyl 4.2L 4 DOOR SEDAN, PLATINUM 4 DOOR SEDAN, V-SPORT 4 DOOR SEDAN 2019-2021 Chevrolet Silverado 4 Cyl 2.7L CREW 5'8" BOX 1/2 TON, CREW 5'8" BOX 1/2 TON(VIN REQ'D), CREW CAB 5'8" BOX 1/2 TON, CREW CAB 6'6" 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 2019-2021 GMC Sierra 4 Cyl 2.7L 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 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
Related Parts for 12666591
Mount Bolt 11610074 Your Price: $5.66 
Serpentine Belt 12666589 Your Price: $19.96 
Serpentine Tensioner 12693089 Your Price: $65.51
Customer Questions & Answers
- Q:Could you please tell me if the part fits my car?By Customer
- A:Please Select Your Car to check if 12666591 properly fits your car.By OmarGM Specialist
- Q:I really need to know the exact position of the part.By Customer
- A:Our part is on Passenger Side.By OmarGM Specialist
- Q:I wonder if this part works for my car with the 2.7 Liter Turbo.By Customer
- A:This part works well with your car and your 2.7 Liter Turbo.By OmarGM Specialist
If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!
OEM GM 12666591 at AutoPartsPrime, Your Right Choice
- The part number 12666591, Serpentine Idler Pulley, is designed to fit specific GM vehicles. Here, we provide you with parts specifications and vehicle fitment information for your convenience. This part fits specific Cadillac CT4, CT6. It fits Chevrolet Silverado. It also fits GMC Sierra. All OEM GM parts are manufactured by GM and guaranteed by GM's factory warranty. You can find diagrams here for your parts lookup.
- AutoPartsPrime is a fast-growing online store, and the online catalog we carry covers all your genuine automotive needs. From engine parts to body parts, we have a huge selection of GM parts. If you have friends who also own GM vehicles, don't forget to refer them to AutoPartsPrime. Also, if you have any questions or hesitation, let us help you.