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The National 8660S Wheel Seal is a premium, spring-loaded single-lip seal designed for classic and vintage vehicles including Ford Ranger, Chrysler, Dodge, and Isuzu models. Engineered to operate reliably in extreme temperatures (-40°F to 225°F) and resist hydrocarbon fluid swelling, it ensures durable, leak-free performance. Trusted by professionals and enthusiasts alike, this seal combines over 75 years of National’s expertise with precise fitment and robust materials for dependable wheel bearing protection.









| ASIN | B000C5J1TE |
| Best Sellers Rank | #720,731 in Automotive ( See Top 100 in Automotive ) #216 in Wheel Bearing Seals #321 in Automotive Replacement Wheel Seals |
| Brand | National |
| Customer Reviews | 4.7 4.7 out of 5 stars (308) |
| Date First Available | October 10, 2007 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 0.32 ounces |
| Item model number | 8660S |
| Manufacturer | National |
| Manufacturer Part Number | 8660S |
| Model | National 8660S Multi Purpose Seal |
| Position | Center |
| Product Dimensions | 2.75 x 0.69 x 2.75 inches |
G**S
Axle seals
Great quality and fit
L**E
great replacement part
great replacement seal for my poject 1973 rscamaro with 8.5 ring gear 10 bolt diff.
G**G
As described
Fitted perfectly
P**M
Good
Great price perfect fit for my old school
K**Y
96 mustang 8.8
Exact seals for 8.8. no issues on install
B**B
It fit
Worked good and cheaper then the local parts stores
J**O
For 1995 Impala SS axle seals
Good product, so far no leaks, I did put a thin coat of black RTV on the outer edge as the axle is a bit older. Would buy again.
D**D
it works
they fit my axle
P**R
Nothing
D**N
Good quality
Trustpilot
2 months ago
1 month ago