Brands Vehicles
Lowest Prices
Free Returns
Online Since 2009

ACDelco 12668646 Engine Crankshaft Main Bearing Set

ACDelco

 
Brand:ACDelco
Part Number: 12668646
UPC: 195491176881
Weight: 0.26 lbs
Condition:New



On Sale:

$30.05

Availability:
6 in Stock
Warehouse: US-12
Quantity:

Product Information

Description:

Get the ACDelco 12668646 Engine Crankshaft Main Bearing Set for your vehicle. Buy now and secure your purchase online!

GM Genuine Parts Engine Crankshaft Main Bearing Thrust Bearings are designed, engineered, and tested to rigorous standards, and are backed by General Motors. GM Genuine Parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE). ⚠ WARNING: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov

Features and Benefits:

  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM Genuine Parts are designed, engineered and tested to rigorous standards, and are backed by General Motors
  • GM regularly updates production and service part designs to integrate new materials and technologies
  • Some GM Genuine Parts may have formerly appeared as ACDelco GM Original Equipment (OE)

Specifications:

Programming Required:
No
Country of Origin:
US

Select a vehicle to narrow ACDelco 12668646 Engine Crankshaft Main Bearing Set fitment info!

Last Updated: 09/03/2021

Years Vehicle Per Vehicle Fit NotesFitment Notes
Buick Envision

2.5L L4 Flex DOHC,
2.5L L4 Gas DOHC
1
 
Stop/Start Engine Control System(KL9)
W/O RED POLYMER COATING
Eng: LCV
8th VIN Digit: A
Mfr Code: 6T45
AWD
 

Buick Envision



2.5L L4 Flex DOHC,
2.5L L4 Gas DOHC Stop/Start Engine Control System(KL9)
W/O RED POLYMER COATING
Eng: LCV
8th VIN Digit: A
Mfr Code: 6T45
AWD

1 Per Vehicle
Buick Envision

2.5L L4 Flex DOHC,
2.5L L4 Gas DOHC
1
 
Stop/Start Engine Control System(KL9)
W/O RED POLYMER COATING
Eng: LCV
8th VIN Digit: A
Mfr Code: 6T45
FWD
 

Buick Envision



2.5L L4 Flex DOHC,
2.5L L4 Gas DOHC Stop/Start Engine Control System(KL9)
W/O RED POLYMER COATING
Eng: LCV
8th VIN Digit: A
Mfr Code: 6T45
FWD

1 Per Vehicle
Buick Envision

2.0L L4 Gas DOHC Turbo
1
 
W/O RED POLYMER COATING
Eng: LTG
8th VIN Digit: X
 

Buick Envision



2.0L L4 Gas DOHC Turbo W/O RED POLYMER COATING
Eng: LTG
8th VIN Digit: X

1 Per Vehicle
Buick LaCrosse

2.5L L4 Electric/Gas DOHC
1
 
W/O RED POLYMER COATING
Eng: LHN
8th VIN Digit: Z
FWD
 

Buick LaCrosse



2.5L L4 Electric/Gas DOHC W/O RED POLYMER COATING
Eng: LHN
8th VIN Digit: Z
FWD

1 Per Vehicle
Buick Regal

2.0L L4 Gas DOHC Turbo
1
 
W/O RED POLYMER COATING
Eng: LTG
8th VIN Digit: X
AWD
 

Buick Regal



2.0L L4 Gas DOHC Turbo W/O RED POLYMER COATING
Eng: LTG
8th VIN Digit: X
AWD

1 Per Vehicle
Buick Regal

2.0L L4 Gas DOHC Turbo
1
 
W/O RED POLYMER COATING
Eng: LTG
8th VIN Digit: X
FWD
 

Buick Regal



2.0L L4 Gas DOHC Turbo W/O RED POLYMER COATING
Eng: LTG
8th VIN Digit: X
FWD

1 Per Vehicle
Buick Regal Sportback

2.0L L4 Gas DOHC Turbo
1
 
W/O RED POLYMER COATING
Eng: LTG
8th VIN Digit: X
AWD
 

Buick Regal Sportback



2.0L L4 Gas DOHC Turbo W/O RED POLYMER COATING
Eng: LTG
8th VIN Digit: X
AWD

1 Per Vehicle
Buick Regal Sportback

2.0L L4 Gas DOHC Turbo
1
 
W/O RED POLYMER COATING
Eng: LTG
8th VIN Digit: X
FWD
 

Buick Regal Sportback



2.0L L4 Gas DOHC Turbo W/O RED POLYMER COATING
Eng: LTG
8th VIN Digit: X
FWD

1 Per Vehicle
Buick Regal TourX

2.0L L4 Gas DOHC Turbo
1
 
W/O RED POLYMER COATING
Eng: LTG
8th VIN Digit: X
AWD
 

Buick Regal TourX



2.0L L4 Gas DOHC Turbo W/O RED POLYMER COATING
Eng: LTG
8th VIN Digit: X
AWD

1 Per Vehicle
Buick Regal TourX

2.0L L4 Gas DOHC Turbo
1
 
W/O RED POLYMER COATING
Eng: LTG
8th VIN Digit: X
 

Buick Regal TourX



2.0L L4 Gas DOHC Turbo W/O RED POLYMER COATING
Eng: LTG
8th VIN Digit: X

1 Per Vehicle
Cadillac ATS

2.0L L4 Gas DOHC Turbo
1
 
W/O RED POLYMER COATING
Eng: LTG
8th VIN Digit: X
AWD
 

Cadillac ATS



2.0L L4 Gas DOHC Turbo W/O RED POLYMER COATING
Eng: LTG
8th VIN Digit: X
AWD

1 Per Vehicle
Cadillac ATS

2.0L L4 Gas DOHC Turbo
1
 
W/O RED POLYMER COATING
Eng: LTG
8th VIN Digit: X
RWD
 

Cadillac ATS



2.0L L4 Gas DOHC Turbo W/O RED POLYMER COATING
Eng: LTG
8th VIN Digit: X
RWD

1 Per Vehicle
Cadillac ATS

2.5L L4 Gas DOHC
1
 
W/O RED POLYMER COATING
Eng: LCV
8th VIN Digit: A
RWD
 

Cadillac ATS



2.5L L4 Gas DOHC W/O RED POLYMER COATING
Eng: LCV
8th VIN Digit: A
RWD

1 Per Vehicle
Cadillac CT6

2.0L L4 Electric/Gas DOHC Turbo
1
 
W/O RED POLYMER COATING
Eng: LTG
8th VIN Digit: X
Mfr Code: 4EL70
RWD
 

Cadillac CT6



2.0L L4 Electric/Gas DOHC Turbo W/O RED POLYMER COATING
Eng: LTG
8th VIN Digit: X
Mfr Code: 4EL70
RWD

1 Per Vehicle
Cadillac CT6

2.0L L4 Gas DOHC Turbo
1
 
W/O RED POLYMER COATING
Eng: LTG
8th VIN Digit: X
RWD
 

Cadillac CT6



2.0L L4 Gas DOHC Turbo W/O RED POLYMER COATING
Eng: LTG
8th VIN Digit: X
RWD

1 Per Vehicle
Cadillac CTS

2.0L L4 Gas DOHC Turbo
1
 
W/O RED POLYMER COATING
Eng: LTG
8th VIN Digit: X
AWD
 

Cadillac CTS



2.0L L4 Gas DOHC Turbo W/O RED POLYMER COATING
Eng: LTG
8th VIN Digit: X
AWD

1 Per Vehicle
Cadillac CTS

2.0L L4 Gas DOHC Turbo
1
 
W/O RED POLYMER COATING
Eng: LTG
8th VIN Digit: X
RWD
 

Cadillac CTS



2.0L L4 Gas DOHC Turbo W/O RED POLYMER COATING
Eng: LTG
8th VIN Digit: X
RWD

1 Per Vehicle
Cadillac CTS

2.0L L4 Gas DOHC Turbo
1
 
W/O RED POLYMER COATING
Eng: LTG
8th VIN Digit: X
Sedan
AWD
 

Cadillac CTS



2.0L L4 Gas DOHC Turbo W/O RED POLYMER COATING
Eng: LTG
8th VIN Digit: X
Sedan
AWD

1 Per Vehicle
Cadillac CTS

2.0L L4 Gas DOHC Turbo
1
 
W/O RED POLYMER COATING
Eng: LTG
8th VIN Digit: X
Sedan
RWD
 

Cadillac CTS



2.0L L4 Gas DOHC Turbo W/O RED POLYMER COATING
Eng: LTG
8th VIN Digit: X
Sedan
RWD

1 Per Vehicle
Chevrolet Blazer

2.5L L4 Gas DOHC
1
 
TIER 3 FEDERAL EMISSION SYSTEM(NTB), ULEV70 CALIFORNIA EMISSIONS(NUB)
W/O RED POLYMER COATING
Eng: LCV
8th VIN Digit: A
Mfr Code: 9T50
 

Chevrolet Blazer



2.5L L4 Gas DOHC TIER 3 FEDERAL EMISSION SYSTEM(NTB), ULEV70 CALIFORNIA EMISSIONS(NUB)
W/O RED POLYMER COATING
Eng: LCV
8th VIN Digit: A
Mfr Code: 9T50

1 Per Vehicle
Chevrolet Blazer

2.5L L4 Gas DOHC
1
 
TIER 3 FEDERAL EMISSION SYSTEM(NTB), ULEV70 CALIFORNIA EMISSIONS(NUB)
W/O RED POLYMER COATING
Eng: LCV
8th VIN Digit: A
Mfr Code: 9T50
FWD
 

Chevrolet Blazer



2.5L L4 Gas DOHC TIER 3 FEDERAL EMISSION SYSTEM(NTB), ULEV70 CALIFORNIA EMISSIONS(NUB)
W/O RED POLYMER COATING
Eng: LCV
8th VIN Digit: A
Mfr Code: 9T50
FWD

1 Per Vehicle
Chevrolet Blazer

2.5L L4 Gas DOHC
1
 
TIER 3 FEDERAL EMISSION SYSTEM(NTB), ULEV70 CALIFORNIA EMISSIONS(NUB)
EXCEPT DRIVER SELECT PTU CHASSIS W/OPTIONAL AWD(F48)
W/O RED POLYMER COATING
Eng: LCV
8th VIN Digit: A
Mfr Code: 9T50
 

Chevrolet Blazer



2.5L L4 Gas DOHC TIER 3 FEDERAL EMISSION SYSTEM(NTB), ULEV70 CALIFORNIA EMISSIONS(NUB)
EXCEPT DRIVER SELECT PTU CHASSIS W/OPTIONAL AWD(F48)
W/O RED POLYMER COATING
Eng: LCV
8th VIN Digit: A
Mfr Code: 9T50

1 Per Vehicle
Chevrolet Blazer

2.5L L4 Gas DOHC
1
 
TIER 3 FEDERAL EMISSION SYSTEM(NTB), ULEV70 CALIFORNIA EMISSIONS(NUB)
EXCEPT DRIVER SELECT PTU CHASSIS W/OPTIONAL AWD(F48)
W/O RED POLYMER COATING
Eng: LCV
8th VIN Digit: A
Mfr Code: 9T50
FWD
 

Chevrolet Blazer



2.5L L4 Gas DOHC TIER 3 FEDERAL EMISSION SYSTEM(NTB), ULEV70 CALIFORNIA EMISSIONS(NUB)
EXCEPT DRIVER SELECT PTU CHASSIS W/OPTIONAL AWD(F48)
W/O RED POLYMER COATING
Eng: LCV
8th VIN Digit: A
Mfr Code: 9T50
FWD

1 Per Vehicle
Chevrolet Camaro

2.0L L4 Gas DOHC Turbo
1
 
W/O RED POLYMER COATING
Eng: LTG
8th VIN Digit: X
 

Chevrolet Camaro



2.0L L4 Gas DOHC Turbo W/O RED POLYMER COATING
Eng: LTG
8th VIN Digit: X

1 Per Vehicle
Chevrolet Camaro

2.0L L4 Gas DOHC Turbo
1
 
W/O RED POLYMER COATING
Eng: LTG
8th VIN Digit: X
Convertible
 

Chevrolet Camaro



2.0L L4 Gas DOHC Turbo W/O RED POLYMER COATING
Eng: LTG
8th VIN Digit: X
Convertible

1 Per Vehicle
Chevrolet Camaro

2.0L L4 Gas DOHC Turbo
1
 
W/O RED POLYMER COATING
Eng: LTG
8th VIN Digit: X
Coupe
 

Chevrolet Camaro



2.0L L4 Gas DOHC Turbo W/O RED POLYMER COATING
Eng: LTG
8th VIN Digit: X
Coupe

1 Per Vehicle
Chevrolet Colorado

2.5L L4 Gas DOHC
1
 
W/O RED POLYMER COATING
Eng: LCV
8th VIN Digit: A
RWD
 

Chevrolet Colorado



2.5L L4 Gas DOHC W/O RED POLYMER COATING
Eng: LCV
8th VIN Digit: A
RWD

1 Per Vehicle
Chevrolet Colorado

2.5L L4 Gas DOHC
1
 
W/O RED POLYMER COATING
Eng: LCV
8th VIN Digit: A
Wheel Base 128.3 In.
4WD
 

Chevrolet Colorado



2.5L L4 Gas DOHC W/O RED POLYMER COATING
Eng: LCV
8th VIN Digit: A
Wheel Base 128.3 In.
4WD

1 Per Vehicle
Chevrolet Colorado

2.5L L4 Gas DOHC
1
 
W/O RED POLYMER COATING
Eng: LCV
8th VIN Digit: A
Wheel Base 128.3 In.
RWD
 

Chevrolet Colorado



2.5L L4 Gas DOHC W/O RED POLYMER COATING
Eng: LCV
8th VIN Digit: A
Wheel Base 128.3 In.
RWD

1 Per Vehicle
Chevrolet Equinox

2.0L L4 Gas DOHC Turbo
1
 
Stop/Start Engine Control System(KL9)
W/O RED POLYMER COATING
Eng: LTG
8th VIN Digit: X
Mfr Code: 9T50
FWD
 

Chevrolet Equinox



2.0L L4 Gas DOHC Turbo Stop/Start Engine Control System(KL9)
W/O RED POLYMER COATING
Eng: LTG
8th VIN Digit: X
Mfr Code: 9T50
FWD

1 Per Vehicle
Chevrolet Impala

2.5L L4 Flex DOHC,
2.5L L4 Gas DOHC
1
 
W/O RED POLYMER COATING
Eng: LCV
8th VIN Digit: A
Mfr Code: 6T45
 

Chevrolet Impala



2.5L L4 Flex DOHC,
2.5L L4 Gas DOHC W/O RED POLYMER COATING
Eng: LCV
8th VIN Digit: A
Mfr Code: 6T45

1 Per Vehicle
Chevrolet Impala

2.5L L4 Gas DOHC
1
 
W/O RED POLYMER COATING
Eng: LKW
8th VIN Digit: L
 

Chevrolet Impala



2.5L L4 Gas DOHC W/O RED POLYMER COATING
Eng: LKW
8th VIN Digit: L

1 Per Vehicle
Chevrolet Malibu

2.0L L4 Gas DOHC Turbo
1
 
W/O RED POLYMER COATING
Eng: LTG
8th VIN Digit: X
 

Chevrolet Malibu



2.0L L4 Gas DOHC Turbo W/O RED POLYMER COATING
Eng: LTG
8th VIN Digit: X

1 Per Vehicle
Chevrolet Malibu

2.0L L4 Gas DOHC Turbo
1
 
W/O RED POLYMER COATING
Eng: LTG
8th VIN Digit: X
Mfr Code: 6T70
 

Chevrolet Malibu



2.0L L4 Gas DOHC Turbo W/O RED POLYMER COATING
Eng: LTG
8th VIN Digit: X
Mfr Code: 6T70

1 Per Vehicle
Chevrolet Malibu

2.5L L4 Gas DOHC
1
 
W/O RED POLYMER COATING
Eng: LKW
8th VIN Digit: L
 

Chevrolet Malibu



2.5L L4 Gas DOHC W/O RED POLYMER COATING
Eng: LKW
8th VIN Digit: L

1 Per Vehicle
Chevrolet Malibu

2.0L L4 Gas DOHC Turbo
1
 
W/O RED POLYMER COATING
Eng: LTG
8th VIN Digit: X
 

Chevrolet Malibu



2.0L L4 Gas DOHC Turbo W/O RED POLYMER COATING
Eng: LTG
8th VIN Digit: X

1 Per Vehicle
Chevrolet Malibu

2.5L L4 Gas DOHC
1
 
W/O RED POLYMER COATING
Eng: LCV
8th VIN Digit: A
 

Chevrolet Malibu



2.5L L4 Gas DOHC W/O RED POLYMER COATING
Eng: LCV
8th VIN Digit: A

1 Per Vehicle
Chevrolet Malibu Limited

2.5L L4 Gas DOHC
1
 
Stop/Start Engine Control System(KL9), EVAPORATIVE SYSTEM LEVEL 3 EMISSIONS(NE8), BIN 4 CAL EMIS(NU5)
W/O RED POLYMER COATING
Eng: LCV
8th VIN Digit: A
Mfr Code: 6T40
 

Chevrolet Malibu Limited



2.5L L4 Gas DOHC Stop/Start Engine Control System(KL9), EVAPORATIVE SYSTEM LEVEL 3 EMISSIONS(NE8), BIN 4 CAL EMIS(NU5)
W/O RED POLYMER COATING
Eng: LCV
8th VIN Digit: A
Mfr Code: 6T40

1 Per Vehicle
Chevrolet Malibu Limited

2.5L L4 Gas DOHC
1
 
Stop/Start Engine Control System(KL9), Tier 2 Federal Emission(NT7)
W/O RED POLYMER COATING
Eng: LCV
8th VIN Digit: A
Mfr Code: 6T40
 

Chevrolet Malibu Limited



2.5L L4 Gas DOHC Stop/Start Engine Control System(KL9), Tier 2 Federal Emission(NT7)
W/O RED POLYMER COATING
Eng: LCV
8th VIN Digit: A
Mfr Code: 6T40

1 Per Vehicle
Chevrolet Traverse

2.0L L4 Gas DOHC Turbo
1
 
W/O RED POLYMER COATING
Eng: LTG
8th VIN Digit: X
 

Chevrolet Traverse



2.0L L4 Gas DOHC Turbo W/O RED POLYMER COATING
Eng: LTG
8th VIN Digit: X

1 Per Vehicle
GMC Acadia

2.5L L4 Gas DOHC
1
 
TIER 3 FEDERAL EMISSION SYSTEM(NTB), ULEV70 CALIFORNIA EMISSIONS(NUB)
W/O RED POLYMER COATING
Eng: LCV
8th VIN Digit: A
Mfr Code: 9T50
 

GMC Acadia



2.5L L4 Gas DOHC TIER 3 FEDERAL EMISSION SYSTEM(NTB), ULEV70 CALIFORNIA EMISSIONS(NUB)
W/O RED POLYMER COATING
Eng: LCV
8th VIN Digit: A
Mfr Code: 9T50

1 Per Vehicle
GMC Acadia

2.5L L4 Gas DOHC
1
 
TIER 3 FEDERAL EMISSION SYSTEM(NTB), ULEV70 CALIFORNIA EMISSIONS(NUB)
W/O RED POLYMER COATING
Eng: LCV
8th VIN Digit: A
Mfr Code: 9T50
FWD
 

GMC Acadia



2.5L L4 Gas DOHC TIER 3 FEDERAL EMISSION SYSTEM(NTB), ULEV70 CALIFORNIA EMISSIONS(NUB)
W/O RED POLYMER COATING
Eng: LCV
8th VIN Digit: A
Mfr Code: 9T50
FWD

1 Per Vehicle
GMC Acadia

2.5L L4 Gas DOHC
1
 
W/O RED POLYMER COATING
Eng: LCV
8th VIN Digit: A
FWD
 

GMC Acadia



2.5L L4 Gas DOHC W/O RED POLYMER COATING
Eng: LCV
8th VIN Digit: A
FWD

1 Per Vehicle
GMC Canyon

2.5L L4 Gas DOHC
1
 
W/O RED POLYMER COATING
Eng: LCV
8th VIN Digit: A
4WD
 

GMC Canyon



2.5L L4 Gas DOHC W/O RED POLYMER COATING
Eng: LCV
8th VIN Digit: A
4WD

1 Per Vehicle
GMC Canyon

2.5L L4 Gas DOHC
1
 
W/O RED POLYMER COATING
Eng: LCV
8th VIN Digit: A
RWD
 

GMC Canyon



2.5L L4 Gas DOHC W/O RED POLYMER COATING
Eng: LCV
8th VIN Digit: A
RWD

1 Per Vehicle
GMC Canyon

2.5L L4 Gas DOHC
1
 
W/O RED POLYMER COATING
Eng: LCV
8th VIN Digit: A
Wheel Base 128.3 In.
RWD
 

GMC Canyon



2.5L L4 Gas DOHC W/O RED POLYMER COATING
Eng: LCV
8th VIN Digit: A
Wheel Base 128.3 In.
RWD

1 Per Vehicle
GMC Canyon

2.5L L4 Gas DOHC
1
 
W/O RED POLYMER COATING
Eng: LCV
8th VIN Digit: A
Wheel Base 128.3 In.
4WD
 

GMC Canyon



2.5L L4 Gas DOHC W/O RED POLYMER COATING
Eng: LCV
8th VIN Digit: A
Wheel Base 128.3 In.
4WD

1 Per Vehicle
GMC Terrain

2.0L L4 Gas DOHC Turbo
1
 
Stop/Start Engine Control System(KL9)
W/O RED POLYMER COATING
Eng: LTG
8th VIN Digit: X
Mfr Code: 9T50
FWD
 

GMC Terrain



2.0L L4 Gas DOHC Turbo Stop/Start Engine Control System(KL9)
W/O RED POLYMER COATING
Eng: LTG
8th VIN Digit: X
Mfr Code: 9T50
FWD

1 Per Vehicle