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Duramax Coolant Plug
New
WCF100025
Wehrli black anodized billet aluminum coolant plug for the 1.1 in. bore in the Duramax engine cover, with high-temp silicone O-ring.
Limited Supply: only 5 remaining
USD
24.25
Plug the coolant port
This black anodized billet aluminum plug seals the 1.1 in. coolant bore in the Duramax engine cover. A high-temperature silicone O-ring is included.
Who it's for
Duramax builders closing off an unused coolant port.
Key specs (per Wehrli)
| Fits | Duramax engine cover, 1.1 in. bore |
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| Seal | High-temperature silicone O-ring |
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| Finish | Black anodized |
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| Shipping weight / box | 1 lb · 4 × 5 × 4 in |
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What's included
- Billet coolant plug
- O-ring
Fitment notes
- For 6.6L Duramax engine covers with the 1.1 in. coolant bore.
Professional install available at Powertech Diesel, Idaho Falls — call 208-542-7793.
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Item Requires Shipping
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1.0 lbs.
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W4.0000” x H4.0000” x L5.0000”
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