SKU: 75307998707

Walker Oil Pressure Switch 17-21 GM 6.6L Duramax L5P

Sale price$32.91 Regular price$36.57
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Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 31 - Aug 5

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Description

Walker Oil Pressure Switch 17-21 GM 6.6L Duramax L5PIs your oil pressure light flickering, reading incorrectly, or leaving you second guessing your engines health? The Walker Engine Oil Pressure Switch restores the accurate oil pressure signal your truck depends on to stay protected and running strong. This sensor continuously monitors oil pressure and communicates with your ECM or warning system to alert you if oil pressure drops below safe levels. When it fails, you can get false warnings or worse,

Is your oil pressure light flickering, reading incorrectly, or leaving you second-guessing your engine’s health? The Walker Engine Oil Pressure Switch restores the accurate oil pressure signal your truck depends on to stay protected and running strong. This sensor continuously monitors oil pressure and communicates with your ECM or warning system to alert you if oil pressure drops below safe levels. When it fails, you can get false warnings or worse, no warning at all, putting your engine at serious risk. Replacing it with a Walker switch gives you back reliable monitoring, peace of mind, and the confidence to drive, tow, or work your truck without worrying about hidden engine damage.

Built for durability in demanding engine environments, the Walker oil pressure switch features high-quality metal housings and precision internal components that withstand heat, vibration, and constant oil exposure. Its sealed design helps prevent leaks and contamination, while the internal pressure-sensitive mechanism ensures accurate and consistent readings over time. Engineered to meet OE specifications and thoroughly tested for fit, form, and function, Walker switches deliver dependable performance, long service life, and reliable engine protection.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 75307998707

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4.1 ★★★★★
Based on 20 reviews
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Verified Purchase
Jeff Pesos
Whiting, US
★★★★★ 4
Works like a supplement
If you use it and see a difference, you will blame it on this cleaner, if not, you will say the product does not work. Exactly like your weight loss supplements! Who knows what this stuff does, but it may do something. Or maybe it does not.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 7, 2026
M
Verified Purchase
Michael Sliwinski
Boise, US
★★★★★ 5
Used to clean an O2 sensor
Seems to have resolved an issue with a wavering idle for my 89 Mercedes 300e with 468,000 miles.
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Reviewed in the United States on March 27, 2026
M
Verified Purchase
Marvin Burton
Natrona Heights, US
★★★★★ 3
Nothing
Didn’t work for me
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2026
M
Verified Purchase
mechanic
Pawtucket, US
★★★★★ 1
It doesn’t work
This don’t work at all. I do not recommend. I use all four containers, and the light is still on.
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Reviewed in the United States on May 20, 2026
A
Verified Purchase
Amazon Customer
Omaha, US
★★★★★ 5
2014 Ford Edge SEL
Worked like a charm! Used as directed, it cleared the P0420 & P0430 codes that were coming up on my OBD II scanner after a complete engine swap. Definitely recommend this product.
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Reviewed in the United States on May 23, 2026

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