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The MotoRad Saddle Tank Fuel Cap is a heavy-duty, machined metal replacement cap designed for select Ford and GMC heavy-duty trucks. Featuring a 2-inch pipe thread and OEM-grade safety features, it offers a secure, leak-proof fit that outperforms generic aftermarket options. Ideal for professionals seeking durable, cost-effective fuel system components that keep their fleet running smoothly and safely.

| ASIN | B000E3XINE |
| Best Sellers Rank | #647,152 in Automotive ( See Top 100 in Automotive ) #2,183 in Automotive Replacement Fuel Tank Caps |
| Brand Name | MotoRad |
| Closure Type | Twist-On |
| Color | Gold |
| Compatible with Vehicle Type | Truck |
| Customer Reviews | 4.5 4.5 out of 5 stars (376) |
| Exterior Finish | Machined |
| Global Trade Identification Number | 00033342000032 |
| Included Components | Fuel Cap, US |
| Item Dimensions | 3 x 3 x 2.5 inches |
| Item Type Name | Fuel Tank Cap |
| Item Weight | 0.48 Pounds |
| Manufacturer | MotoRad |
| Manufacturer Part Number | 10603 |
| Manufacturer Warranty Description | Includes manufacturer provided warranty |
| Material Type | Metal |
| Model Number | 10603 |
| Style Name | Safety |
| UPC | 055644010038 033342000032 |
K**R
Perfect fit
2006 GMC 7500. Lost the original fuel cap when the chain broke. This fit perfect and was less than half of buying one from an auto parts store. No leaks! Great value! Performs as it should!
T**A
Life saver !!
To start , my husband owns and operates a small moving business. He has one box truck and a couple of enclosed trailers. He box truck is a 1988 GMC ( old uhaul truck). Parts are really hard to find. His workers aren't always as observant as they should be. A couple years ago one his his workers failed to screw the gas cap back on . Finding a replacement was like looking for a needle in a haystack. When the garage located one it cost a hefty 80 plus dollars. Of course we had to eat that ( if you're a business owner you know what I'm talking about). Needless to say along rolls summer 2023 and another worker fails to screw the gas cap on ( come on guys , how hard is it ?? ) This time I went straight to Amazon and low and behold there is the glorious gas cap. ⛽️. But , and this is the best part it was a quarter of the price. Bless you Amazon for saving us once again .
M**Z
1+ of Perfect Fit and Reliable Seal
I purchased this tank fuel cap for my friend’s 2014 International 4300 after he lost his original cap at a gas station (it didn’t have a chain). It has now been over a year since installation. One thing we really like is that this cap comes with a chain attached. When you open the tank, the chain holds the cap in place so you don’t lose it again. It was easy to install and attach to the tank. He told me it fits perfectly and seals tightly with no leaks or fuel spitting. The cap feels solid and durable, and it threads on smoothly without any issues. Once tightened, it stays secure and does exactly what it’s supposed to do. After a full year of use, it’s still working great. A simple but reliable replacement.
E**C
Works well.
All brass nice item.
C**A
Oem replacement.
direct replacement for a KME fire engine. Easy install, seals properly looks like an OEM cap
R**X
Good price
These are $70 new at the dealership so this was a good deal! Even though the anchor on the end of the chain was missing.
W**S
goood
fit well had no leaks.
@**S
Perfect replacement for semi
Left my gas cap at the truck stop and ordered this for a replacement. I have a Freightliner.
T**X
“The Stant 10603 fuel cap worked exactly as expected. It fit securely with no issues, sealed tightly, and immediately cleared the fuel-cap warning light on my dashboard. The build quality feels solid, and the cap twists on and off smoothly without feeling cheap. It’s a simple replacement part, but it does its job well and installs in seconds.
J**.
Ajusto bien, cero fugas de diésel.
D**E
Works great on my air pig turned gas tank...
R**E
Fit great on a 1997 gmc top kick
E**C
Parfait pour remplacer Mon bouchon perdu sur HINO 195
Trustpilot
3 weeks ago
3 days ago