Fuel Pulsation Damper -3/8in NPT

Name: Fuel Pulsation Damper -3/8in NPT
Brand: DeatschWerks
SKU: 6-FPD-38-d2fb5588a26c
Price: 49.68 USD
Availability: InStock
Rating: 4.8 (5 reviews)

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$49.68 ~~$69~~ In stock

Category: Fuel Pressure Gauge

The DeatschWerks Fuel Pulsation Damper with 3/8in NPT fittings is designed to reduce fuel pressure fluctuations in high-performance fuel systems. It helps maintain consistent fuel pressure for improved engine performance and reliability. This component is part of DeatschWerks' fuel rail support product line.

3/8in NPT threading for compatibility with common fuel system components
Manufactured by DeatschWerks, a trusted brand in fuel system upgrades
Classified as a fuel pressure gauge accessory and fuel rail support product
Helps dampen pulsations to stabilize fuel delivery

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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 (4.8 / 5 · 5 reviews)

Sophia G. ★★★★★ Oct 22, 2026

My pressure gauge needle stopped bouncing around after installing this damper. The 3/8in NPT fittings matched my existing lines perfectly without any adapters. Feels solid and does exactly what it's supposed to do for consistent readings.

Robert ★★★★★ Oct 21, 2026

Finally got my fuel pressure readings to stop bouncing around at idle—this damper smoothed everything out instantly. Install was straightforward with the 3/8in NPT threads.

Joseph Q. ★★★★★ Oct 20, 2026

After chasing erratic fuel pressure readings for weeks, this damper finally smoothed things out with its 3/8in NPT fittings threading in cleanly. The gauge now sits steady even under hard throttle, which is exactly what I needed for my high-flow setup.