⚙️ Seal your engine’s future with ACDelco Gold – where performance meets precision!
The ACDelco Gold 8660S Crankshaft Front Oil Seal is a precision-engineered replacement part designed to provide a reliable, leak-proof seal for your engine. Lightweight and compact, it offers durable performance backed by ACDelco’s trusted brand reputation and quality manufacturing from Taiwan—all at an economical price point.
| Manufacturer | ACDelco |
| Brand | ACDelco |
| Model | Oil Seals |
| Item Weight | 1.28 ounces |
| Product Dimensions | 3 x 3 x 1 inches |
| Country of Origin | Taiwan |
| Item model number | 8660S |
| Exterior | Painted |
| Manufacturer Part Number | 8660S |
M**O
Fits 91 YJ 2.5L
Fit my 1991 Jeep yj
D**D
Quality
Easy to install, well once you have the front of the engine apart to get to it. Feels OEM and is working well in my Cherokee '96
S**
wrong
It does NOT fit a 2011 jeep! No matter what Amazon says.
L**E
The one I got would not fit timing cover
Measured 157 thousandth larger than bore in the cover. Little much of an interference fit. No amount of heating and freezing would allow seal to even start in the bore.
D**R
Was guaranteed to fit and did not
Outside diameter was right inside hole was way too small to fit the harmonic balancer on my 96 Jeep Grand Cherokee for which it was bought and guaranteed to fit guaranteed to fit !!!
J**E
wrong seal not front crank looks to be axle seal
wrong part
