DDP P-Pump 3,000 and 4,000 RPM Governor Spring Kit - 1989-1993 Dodge Cummns 5.9L 12v 2nd Gen

Most products ship in 3–7 days. Some will take longer. If a product needs more time, it will say so on its product page.

Each product page lists the year, make, and model it fits.

If you’re unsure, you can message us through our website, email, or Facebook, and we’ll confirm fitment for you.

Yes. PSC Automotive & Diesel Repair installs everything we sell.

Call or message us to schedule an appointment.

• Returns accepted on new, unused items.
  
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  Some items are subject to a restocking fee, depending on the manufacturer.
  
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  Electrical parts, tuners, and custom-built items are non-returnable.
  
  Full details are on our Refunds page.
  

Our warranty matches the manufacturer’s warranty.

If a part fails or has a defect, we will work with the manufacturer to get it replaced.

We do not warranty parts that were:

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  Installed incorrectly
  
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  Damaged by lack of maintenance
  
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  Removed or messed with after installation
  
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  Installed by another shop after we installed it
  
  Full warranty details are on our Warranty page.

Yes. Tracking is emailed to you as soon as your order ships.

Check your spam folder if you don’t see it.

Yes! You can contact us anytime at:

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  Website chat
  
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  Email
  
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  Phone
  
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  Facebook or Instagram
  

We reply quickly during business hours.