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🛠️ Upgrade your rig’s reliability with a cap that means business!
The Dorman 902-5401 Heavy Duty Fluid Reservoir Cap is a precision-engineered, durable replacement part designed specifically for select Peterbilt truck models from 2008-2010. Made from heat-resistant plastic with a machined finish, it restores original functionality with a perfect fit and long-lasting performance, backed by Dorman’s extensive automotive expertise.




| ASIN | B00A14QV0I |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #46,167 in Automotive ( See Top 100 in Automotive ) #43 in Automotive Reservoirs |
| Brand Name | Dorman |
| Closure Type | Twist-On |
| Color | Black |
| Compatible with Vehicle Type | Truck |
| Customer Reviews | 4.4 4.4 out of 5 stars (357) |
| Exterior Finish | Machined |
| Global Trade Identification Number | 00019495423287 |
| Included Components | Windshield Washer Reservoir Cap |
| Item Dimensions | 0.71 x 0.5 x 0.03 inches |
| Item Type Name | Windshield Washer Reservoir Cap |
| Item Weight | 0.02 Pounds |
| Manufacturer | Dorman Products |
| Manufacturer Part Number | 902-5401 |
| Manufacturer Warranty Description | Limited Lifetime Warranty |
| Material Type | Plastic |
| Model Number | 902-5401 |
| OEM Equivalent Part Number | 572.2007; C5720S |
| Style Name | Modern |
| UPC | 019495423287 |
| Unit Count | 1.0 Count |
C**O
Perfect Fit
This cap was a perfect fit to replace the oem part. Seems very durable and good quality material for its intended use. Was purchased a couple of yrs ago and have no complaints. Easy to install.
D**E
Fit, and durable. Fit my 2019-2026 Kenworth T889 and W900
Has lasted and fit perfect. Price is good and material is durable.
L**E
Great
Perfect fit!
A**L
Gotta do some adjustments
Fits my 2017 t680 a little loose. I had to heat up the edges and bend them in. The little plastic "leash" broke the first cold day. But I can buy several of these for the price of an oem one, so would still buy again
L**H
It fits
Fits the Peterbilt as it was supposed to
L**O
Work good
Good product
B**N
to loose
did not fit way to loose
D**Z
Tal como lo esperaba
E**P
I lost the cap off the kenworth I was driving. This one fits perfectly.
1**C
I don't know what kenworth charges for these things, but it's probably 200 bucks It arrived quickly, fits perfectly and costs less. Nuff said
Trustpilot
2 weeks ago
2 weeks ago