Sinister Diesel
Sinister Diesel 01-05 GM Duramax 6.6L LB7/LLY Welded Water Pump
SKU: S004 SDWWP01
Description
Part #: SD-WWP-01
Proper heat management from the cooling system is crucial on modified engines when you want trouble-free and reliable performance. The factory Duramax water pump is known to slip under load and can serious problems and serious repair bills on modified high-horsepower applications. This updated design is a drop-in replacement for the factory water pump and uses precision TIG welds to secure both the impeller and pump gear to the shaft.If your 2001-2005 Duramax powered truck is running a tuner, a bigger turbo, or bigger injectors, or if it's just time for routine maintenance, get peace of mind with the Sinister Diesel Welded Duramax Water Pump., Includes:Sinister Diesel "Welded" Water Pump, O-Ring, Thermostat Gasket.
Welded Water Pump for 2001-2005 Duramax LB7 / LLY.
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Specifications
| Brand | Sinister Diesel |
| Part Number | S004 SDWWP01 |
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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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