SKU: PPE119000830

Coolant Bypass Tube - Water Pump to Thermostat Housing

2 in stock and ready for shipping
Confirm fitment before purchasing
YEARS
2011-2016
MAKE / MODEL
GM/GMC/Chevrolet / Silverado/Sierra
SERIES
2500HD/3500HD
ENGINE
6.6L Duramax LML
Price
$116.99
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PRODUCT DETAIL

Key Features & Description

Features:

  • Made from polished 304 stainless steel
  • Hydroformed for precise fitment
  • Includes upper and lower O-rings
  • Prevents rust and coolant contamination
  • Durable, long-term performance
  • Designed for GM 6.6L Duramax
  • Replaces factory mild steel tube
  • Resistant to corrosion and leaks
  • Works with factory water pump
  • OEM reference: 12633704 GM D/C
  • Improved reliability over factory parts
  • Perfect fit for 2011-2016 Duramax engines

Upgrade Your Duramax With Reliable Durability and Performance

When it comes to maintaining your GM 6.6L Duramax engine, the little things matter, especially when it comes to preventing costly coolant leaks or rust damage. The PPE 119000830 Coolant Bypass Tube is exactly what your truck needs to upgrade and secure the reliability of your cooling system. Unlike the factory mild steel tube, which is prone to rust and contamination over time, this high-grade 304 stainless steel tube offers a corrosion-resistant solution that lasts. Whether you're towing, off-roading, or just daily driving, you can trust this tube to keep your engine running smoothly without worrying about leaks or system failures. It’s precision-hydroformed to ensure a perfect fit with your factory water pump, making installation quick and easy without the need for any modifications. You also get both upper and lower O-rings, which help maintain a proper seal and prevent the hardening and failure that comes with stock O-rings over time. If you're looking to enhance the longevity and reliability of your Duramax cooling system, this bypass tube is an upgrade that pays off in the long run.

Engineered For Precision and Long-Lasting Performance

Crafted specifically for the 2011-2016 GM 6.6L Duramax, the PPE 119000830 Coolant Bypass Tube provides an exact fitment that ensures efficient operation for your truck's cooling system. The use of polished 304 stainless steel not only improves its durability but also protects it from rust and corrosion, which are common problems with the OEM mild steel tubes. This tube is hydroformed to maintain perfect alignment and fit, reducing the risk of any coolant leaks. Over time, factory O-rings tend to harden and lose their compression, but with this product, you’re getting brand-new O-rings that offer better sealing performance. This bypass tube is designed to work seamlessly with the factory water pump, making it a reliable choice for keeping the system intact. Whether you're replacing a worn-out part or just upgrading for peace of mind, this coolant bypass tube is built to stand the test of time under harsh conditions. The added benefit of replacing the original parts with more durable, corrosion-resistant materials means fewer worries down the road.

Fits: 2011, 2012, 2013, 2014, 2015, 2016 GM 6.6L Duramax

Notes:

  • Ensure compatibility with 2011-2016 GM 6.6L Duramax engines
  • Factory mild steel tubes are prone to rust over time
  • Hardening of OEM O-rings increases failure risk
  • Designed to work with factory water pump without modifications
  • Improves long-term reliability and performance of the cooling system
  • Requires basic installation with no special tools
  • Consider replacing old or worn parts for optimal engine health
  • Upgrade can help prevent costly coolant system repairs
  • Polished 304 stainless steel resists corrosion and rust
  • Included O-rings provide a better seal compared to factory parts
  • Installation should be done in a clean, dry environment to avoid contaminants

FITMENT GUIDE

Exact Fitment — Verify Your Year

Year RangesYears
Make
Model
Series
Engine
2011-2016
GM/GMC/Chevrolet
Silverado/Sierra
2500HD/3500HD
6.6L Duramax LML

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