DeatschWerks Fuel Pump Hardwire Upgrade Kit
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DeatschWerks FPHWK – Hardwire Fuel Pump Upgrade Kit
Why hard-wiring matters
Factory wiring often suffers voltage drop after years of use, so the fuel pump never reaches its advertised flow. A hardwire kit feeds direct power from the battery, eliminating losses and unlocking full pump performance under high load.
Key Features
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Complete plug-and-play package – power and ground leads, relay, fuse, socket and terminals in one box.
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12 AWG SLX spec wiring – low-resistance, high-temperature cable: 15 ft red power + 5 ft black ground.
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40 A relay & 30 A fuse – ample headroom for pumps above 340 LPH; built-in circuit protection.
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Broad compatibility – pairs perfectly with DW301, DW400 and other high-flow aftermarket pumps.
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Step-by-step instructions – simplifies installation even on older vehicles.
Not confirmed by purchase
Score: /5