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⚙️ Keep your GM running like new — don’t settle for less!
The GM Genuine Parts 12686433 Oil Pump is an OEM-certified engine component engineered and rigorously tested by General Motors. Designed for perfect compatibility with Chevrolet, Buick, GMC, and Cadillac vehicles, it ensures optimal oil pressure and engine performance. Manufactured with updated materials and backed by a 4.5-star user rating, this oil pump delivers reliable, long-lasting operation trusted by professionals and enthusiasts alike.
| ASIN | B0987SBDY4 |
| Best Sellers Rank | #42,934 in Automotive ( See Top 100 in Automotive ) #17 in Automotive Replacement Engine Oil Pumps |
| Brand | GM GENUINE PARTS |
| Customer Reviews | 4.5 4.5 out of 5 stars (122) |
| Date First Available | June 29, 2021 |
| Exterior | Machined |
| Item Weight | 6.87 pounds |
| Item model number | 12686433 |
| Manufacturer | GM Genuine Parts |
| Manufacturer Part Number | 12686433 |
| Model | GM Original Equipment |
| OEM Part Number | 12656102 , 12686433 , 12677143 , 12673984 , 12666737 , 12665356 , 12661761 , 12661206 , 12659938 , 12657346 |
| Position | Center |
| Product Dimensions | 12.62 x 11.38 x 9 inches |
B**R
OEM PART
OEM PART. Oil pump is working as should.
R**R
Oem part/ parte original
Recommend item original part fits perfectly And pressure remains were it should! Installed with out a problem! Make sure to order O ring separately! Doesn't come with it! Funciona perfectamente la precion se mantiene donde debe queda perfectamente! La instale sin problema ordenar el empaque separado no biene en la caja
P**9
The check engine light went 6
It's a perfect match And the check engine light went off
A**R
Fit good
Worked great
E**D
Works for LT L83 5.3
Works great in L83 with truck Norris cam
C**R
It pumps oil
It was good quality. For the money.
D**N
Worked great
Worked as it should
P**K
OEM GM best price!
Factory quality at the best price! Worth the extra $ to do the job once!
F**L
Worked perfectly
P**K
La bonne pièce pas encore installé!!!
B**Q
6.2 L LT motor in 2018 Sierra had low oil pressure. Tried replacing just the solenoid, but didn't work. Ended up swapping with this pump. All back to normal. This is a geniune GM replacement pump. So no concerns with fitment or function.
Trustpilot
2 weeks ago
2 weeks ago