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The Dorman 54259 Engine Coolant Cap is a direct replacement part engineered to match the exact dimensions of original caps for select Toyota Camry models (1992-1994) and fits other vehicles like the 1997 Mazda Miata. Made from durable machined plastic, it offers a seamless, secure fit that prevents leaks and maintains optimal engine cooling. This cost-effective solution is easy to install and ensures your vehicle’s cooling system stays in top shape without the premium dealership price.










| ASIN | B01BVRHTXQ |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #1,076,293 in Automotive ( See Top 100 in Automotive ) #507 in Automotive Replacement Coolant Recovery Bottle Caps #40,530 in Automotive Replacement Engine Cooling & Climate Control |
| Brand | Dorman |
| Color | Black |
| Customer Reviews | 3.9 3.9 out of 5 stars (60) |
| Date First Available | February 17, 2016 |
| Exterior Finish | Machined |
| Global Trade Identification Number | 00037495889483 |
| Item Weight | 0.282 ounces |
| Item dimensions L x W x H | 6.3 x 5.2 x 1.2 inches |
| Item model number | 54259 |
| Manufacturer | Dorman Products |
| Manufacturer Part Number | 54259 |
| Material | Plastic |
| Model | 54259 |
| OEM Part Number | 1640574170 |
| Product Dimensions | 6.3 x 5.2 x 1.2 inches |
| Style | Tool |
| UPC | 037495889483 |
| Vehicle Service Type | Car |
G**E
Fits 97 Miata
Despite what this and other sites say, this does fit a 1997 (likely all NA years) Mazda Miata. Needs a little extra force but it snapped in place on a stock radiator expansion tank just fine. Quality seems fine. Its thick plastic and seems durable.
D**L
Basically fit
I got this for a '96 Avalon, and with a little effort and grease, I got it to snap onto the coolant overflow bottle opening. It was hard to find a part that would fit for that car, and this part worked pretty well.
J**D
Does not fit what the car it specifies it says fit
Does not fit a 1995 Miata like it said it would
8**E
Looks and feels like it will last and do its job
Looks and feels like it will last and do its job, that's all that really matters. At $5-7 it's priced right. More seems silly. I actually bought this for my 1985 Toyota MR2 and it seems to fit the overflow tank properly. The original caps are known for disintegrating.
P**T
Does not come with the plastic tube.
Its an exact OEM replacement cover, but missing the plastic tube. You will need to add your own plastic tube. Would have been better if it came with it.
K**D
Worked for a 91 miata
Wanted a black reservoir cap, old one was messed up. its a tight fit but it worked on my 1991 mazda miata. You cannot use the gasket or plastic cover from the old mazda radiator cap. This comes with its own gasket, and that plastic cover is not needed on this one.
A**R
Good product
Good product for the price
S**V
100 Land Cruiser
Does not fit 100 series Toyota Land Cruiser
A**4
Perfect fit on a 1986 Toyota MR2
H**R
It doesn’t fit Camry coolant tank and i just checked it the edges are so small it wouldn’t fit any car’s tank. Just a waste of money
Trustpilot
3 weeks ago
1 month ago