DeatschWerks

DW400 Performance Fuel Pump Module for S550/S650 Mustang

DW400 Performance Fuel Pump Module for S550/S650 Mustang - Main image
DW400 Performance Fuel Pump Module for S550/S650 Mustang - View 2DW400 Performance Fuel Pump Module for S550/S650 Mustang - View 3
$383.36 $599 In stock

Category: Fuel Pump Module Assembly

The DW400 Performance Fuel Pump Module from DeatschWerks delivers reliable fuel flow for 2015‑2024 Mustang S550 and S650 models, offering a direct‑fit upgrade for performance enthusiasts.

  • Engineered specifically for 2015‑2024 Mustang S550/S650 platforms.
  • Direct bolt‑in replacement, no modifications required.
  • Supports higher horsepower applications with increased fuel delivery.
  • Built to DeatschWerks quality standards for durability and consistency.
  • Compatible with both S550 and S650 Mustang configurations.
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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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Returning an item

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.2 / 5 · 5 reviews)

Andrew N. ★★★★★

Installation on my 2021 S550 was straightforward enough for a weekend job, and the direct-fit module dropped in without any wiring headaches. Fuel pressure holds rock-solid even when I’m pushing hard on the track, which is exactly what I needed. Glad I made the swap before the next tuning session.

Sophia ★★★★★

My 2018 GT’s stock pump was starving on E85, so I swapped this in—the direct-fit module made the install straightforward. The wiring harness plugged right into the existing connector, and so far pressure stays rock-solid even in the heat.

Samuel C. ★★★★☆

Had an issue with fuel pressure drop on my 2016 GT during pulls above 4k RPM—this DW400 fixed it completely and the direct-fit install was easy. Only knocked a star because the included instructions were a bit vague.

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