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๐ ๏ธ Seal the deal with confidenceโnever let a leak slow your ride!
The Dorman 02250 Coolant Bypass Caps are universal 5/8in vinyl caps designed for automotive vacuum and coolant line sealing. Engineered for heat resistance and a tight vacuum seal, these caps are essential for reliable carburetor and emission system testing. Backed by expert ASE-certified support and a limited lifetime warranty, they offer professional-grade durability and peace of mind.





| ASIN | B00Z7MM0IG |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #12,703 in Automotive ( See Top 100 in Automotive ) #5 in Automotive Replacement Carburetor Caps #96 in Automotive Emission & Exhaust Products |
| Brand | Dorman |
| Brand Name | Dorman |
| Closure Type | Twist-On |
| Color | Black |
| Compatible with Vehicle Type | Car |
| Customer Reviews | 4.7 out of 5 stars 727 Reviews |
| Exterior Finish | Machined |
| Global Trade Identification Number | 00037495022507 |
| Included Components | Dorman 02250: Coolant Bypass Caps - EPDM 5/8in |
| Item Dimensions | 5.49 x 1.81 x 1.72 inches |
| Item Part Number | 02250 |
| Item Type Name | Dorman 02250: Coolant Bypass Caps - EPDM 5/8in |
| Item dimensions L x W x H | 5.49 x 1.81 x 1.72 inches |
| Manufacturer | Dorman Products |
| Manufacturer Part Number | 02250 |
| Manufacturer Warranty Description | Limited Lifetime Warranty |
| Material | Vinyl |
| Material Type | Vinyl |
| Model Number | 02250 |
| OEM Equivalent Part Number | 02250 |
| Style Name | Tool |
| UPC | 037495022507 |
| Unit Count | 1 Count |
| Vehicle Service Type | Car |
A**R
Fits sink tailpiece and auto heater lines.
I have used these in the past to block off coolant hoses on a van rear heater that was leaking. This time I needed something to block the dishwasher hook up on a kitchen sink tailpiece. Quality seems appropriate to the purpose. Would buy again.
W**R
Cap me over
These worked well (one at least). Capped the water fitting just fine
A**.
I am happy with my order
good fix for open hose connection .
D**E
As advertised.
As advertised.
R**.
Fits well
Good fit for my heater core on my '95 F150
H**N
Good Product
Does the the job well
R**E
They work
I installed these as a stop gap while I replaced the heater core in my Mustang. They are simply non-reinforced rubber caps, nothing special. I was afraid to use the car because I'm paranoid and I didn't want these to fail and leave me stranded so it made me get the heater core done faster. But they worked fine and did what I needed them to do.
R**Y
Bypass Reservoir Cap
Very Thankful For Having The Right Size & Description. It Fit Very Well & Will Continue To Order More Items From AMAZON!!!
J**E
Trรจs bonne qualitรฉ et fait trรจs bien le travail.
Parfait! Exactement ce que jโavais besoin sur ma voiture. Super bonne qualitรฉ!
A**C
Good
Fits as should
J**N
Easy installation
Fit as described perfectly.
C**S
Great
Fit for what i needed them for
C**S
As advertised
Works as intended and flexible enough to fit without breaking/cracking
Trustpilot
2 weeks ago
2 weeks ago