Customer Appreciation Week 2026
Customer Appreciation Week 2026
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#91139001
1932-48 Ford Stainless Gas Tank Cap
- Stainless steel 1932-48 Ford gas cap fits in a fuel neck
- 1-7/8" inside and 2-1/8" across the lock tabs
- Has two locator tabs that lock it in place on the inside of the neck
$23.99
/each
In Stock
$26.99
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Product Summary
2.88" Outside Diameter, 1.88" Neck I.D., Polished
- Stainless steel 1932-48 Ford gas cap fits in a fuel neck
- 1-7/8" inside and 2-1/8" across the lock tabs
- Has two locator tabs that lock it in place on the inside of the neck
- Cap not vented
Key Specs
| MFG. Part # | 91139001 |
| Neck I.D. | 1.88" |
| Material Type | Stainless Steel |
| Finish | Polished |
| Gasket(s) Included | Yes |
Need To Know
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Return PolicySpeedway Motors 91139001 Details
Speedway Motors 91139001 Details
This stainless steel 1932-48 Ford gas cap fits in a fuel neck that is 1-7/8" inside and 2-1/8" across the lock tabs.
Item Details
This cap is not vented.
Speedway Motors 91139001 Specifications
Speedway Motors 91139001 Specifications
| KEY SPECS | |
|---|---|
| MFG. Part # | 91139001 |
| Brand | Speedway Motors |
| Neck I.D. | 1.88" |
| Material Type | Stainless Steel |
| Finish | Polished |
| Gasket(s) Included | Yes |
| GENERAL | |
| Outside Diameter | 2.88" |
| Gasket Outside Diameter | 2.13" |
| Sold in Quantity | Each |
| Notes | Has two locator tabs that lock it in place on the inside of the neck. |
Ratings & Reviews
4.8
8 Reviews
Customers appreciate this product for its high-quality and rust-resistant stainless steel material. Its perfect fitting on various tank models, including a 1936 Ford pickup and custom-built ones, has been confirmed. The product's issue with a slippery edge and a sometimes mobile rubber seal has been mitigated by users with home solutions, like adding a thin film of dielectric grease to the seal or roughing up the cap's edge for better grip, leading to recommendations. However, there is a desire for a future iteration with a knurled edge for improved handling.
Ratings & Reviews
4.8
8 Reviews
Customers appreciate this product for its high-quality and rust-resistant stainless steel material. Its perfect fitting on various tank models, including a 1936 Ford pickup and custom-built ones, has been confirmed. The product's issue with a slippery edge and a sometimes mobile rubber seal has been mitigated by users with home solutions, like adding a thin film of dielectric grease to the seal or roughing up the cap's edge for better grip, leading to recommendations. However, there is a desire for a future iteration with a knurled edge for improved handling.
4.8
8 reviews
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7
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Filter by Ratings
yes,would buy this again
5.0
3 months ago
frodo
sebastopol,ca
Verified
Looks good ,fits good
Would Recommend
Direct replacement
5.0
7 months ago
OldSparky
Texas
Verified
Fit was great
Would Recommend
Buying another one as a spare, for that just in case time.
5.0
5 years ago
Rocky 33' Ford
Texas
Verified
The flat rubber seal can move around some while tightening the cap, even to the point of rolling off the sealing surface. A simple solution to this problem. Remove rubber seal, add a very thin film of dielectric tune-up grease to the inside surface of the gas cap, reinstall rubber seal...problem solved. Ordering another one as a backup.
Would Recommend
I would buy this product again
5.0
6 years ago
Chuck
Illinois
Verified
It's a gas tank cap so I use it for the gas tank and I like the stainless so I don't have to worry about it rusting it's great
Would Recommend
I would buy this again
5.0
9 years ago
glen
racine wi
Verified
works just like advertized
Would Recommend
It fits great, but the Cap should have a knurled edge.
3.0
9 years ago
Palos
San Clemente, Ca.
Verified
It is very hard to grip in a recessed application. The edge needs to be knurled.
Would Recommend
Perfect fit
5.0
9 years ago
Fr8hammer
Tomball tx
Verified
Perfect fit for 1936 ford pickup (and others)
Would Recommend
Reliable Fuel Cap
5.0
11 years ago
MrRon43
Pocatello, ID, USA
Verified
Perfectly fitting fuel caps can be a challenge to locate. But with my custom built 16-gal tank, and a little per-planning, Speedway's cap turned out the best choice, hands-down. Tight fit and looks classic. Suggestion: Rough-up or lightly file the edge to help with grip when opening and closing. Surface is a bit slippery.
Would Recommend
Showing 8 of 8 reviews
Questions & Answers
Questions & Answers
2 Questions • 3 Answers
If this cap is vented, why does it say to remove slowly? Also what is the gasket material?
by gascap
• 11 years ago
2 answers
View Answers
Looking for a gas cap for a 1935 Ford 1 ton truck. The gas tank and filler neck is in the cab of the truck. Will this cap fit and is it vented?
by John
• 15 years ago
1 answer
View Answer
2 of 2 questions shown
Fitment
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