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⚙️ Keep your engine running like new with GM Genuine Parts – because your ride deserves nothing less!
The GM Genuine Parts 12686433 Oil Pump is a precision-engineered, metal-constructed engine oil pump designed specifically for GM vehicles including Chevrolet, Buick, GMC, and Cadillac. It meets rigorous GM standards and is backed by a 24-month unlimited mile warranty, ensuring reliable performance and a perfect fit for your vehicle’s engine oil circulation needs.





| ASIN | B0987SBDY4 |
| Auto Part Position | Center |
| Best Sellers Rank | #42,292 in Automotive ( See Top 100 in Automotive ) #15 in Automotive Replacement Engine Oil Pumps |
| Body Material | Metal |
| Brand Name | GM GENUINE PARTS |
| Compatible with Vehicle Type | Car |
| Customer Reviews | 4.5 4.5 out of 5 stars (141) |
| Fit Type | Vehicle Specific Fit |
| Included Components | Engine Oil Pump |
| Item Dimensions | 12.62 x 11.38 x 9 inches |
| Item Type Name | Int-Cams,Rods,Shfs,Pstns&Tmg,Int-Cams,Rods,Shfs,Pstns&Tmg |
| Item Weight | 6.87 Pounds |
| Manufacturer | GM Genuine Parts |
| Manufacturer Part Number | 12686433 |
| Manufacturer Warranty Description | 24 Month / Unlimited Mile Limited Warranty (Parts Only). Please see ACDelco.com for more details. |
| Material Type | Metal |
| Outlet Connection Type | Barb |
| UPC | 195491146464 |
| Unit Count | 1.0 Count |
M**C
Oem assy for reasonable price
Oem GM oil pump assy . Enough said. Great price and works great
A**C
OEM part, so far so good
Installed August of 2024 and no issues at all since install. OEM what more needs to be said
B**R
OEM PART
OEM PART. Oil pump is working as should.
M**Z
Holds oil pressure
Works like it 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
E**D
Works for LT L83 5.3
Works great in L83 with truck Norris cam
P**9
The check engine light went 6
It's a perfect match And the check engine light went off
C**R
It pumps oil
It was good quality. For the money.
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
3 weeks ago
2 days ago