GM OEM 12642431 Lower Turbocharger Pipe

( Brand: Gm Oem ), ( Part Type: Pipe ), ( Warranty: 1 Year ), ( Return Policy: No Returns For Parts Having Electrical Components ), ( Manufacturer Part Number: 12642431 ), ( Item Name: Lwr Return Pipe ), ( Category 1: Engine ), ( Fitment Type: Direct Replacement ), ( Category 3: Turbocharger Amp; Components ), ( Genuine Oem: Yes ), ( Part Ref On Diagram: Only Part Reference 2 On The Diagram Is Included )

Review GM OEM Hd Turbocharger Components lwr Return Pipe fits SIERRA 2500 2017–2022

GM 12642431 Lower Intercooler Pipe for 17-22 Sierra 2500/3500 with 6.6L Duramax Turbocharger

The GM 12642431 Lower Intercooler Pipe is a crucial component of the turbocharger system for select 2017 to 2022 Sierra 2500 and 3500 models equipped with the 6.6L Duramax engine. This part is designed to ensure the efficient transfer of air between the turbocharger and the intercooler, which plays a significant role in maintaining optimal engine performance.

Constructed from high-quality materials, the lower intercooler pipe is engineered to withstand the demanding conditions of heavy-duty use. Its robust design features sturdy metal construction with a durable, heat-resistant coating. This ensures reliable operation even under extreme temperatures and high-pressure scenarios.

Measuring approximately 29 inches long and 3 inches in diameter, this component fits perfectly in the engine compartment of the specified vehicles. Its precise engineering and exacting tolerances allow for a seamless installation process, ensuring a secure and proper connection to the turbocharger and intercooler.

The GM 12642431 Lower Intercooler Pipe comes as a direct replacement for the original equipment component, ensuring compatibility and fitment with OEM specifications. By maintaining the integrity of the turbocharger system, this part contributes to the dependable performance and longevity of your 2500 or 3500 Sierra.

In summary, the GM 12642431 Lower Intercooler Pipe is an essential upgrade for 2017 to 2022 Sierra 2500 and 3500 pickups with the 6.6L Duramax engine. Its robust construction, precise engineering, and direct fitment make it an indispensable component for maintaining optimal engine performance and longevity.

Pros and Cons of Buying GM 17-22 Sierra 2500 Turbocharger Lower Intercooler Pipe

The GM 12642431 lower intercooler pipe is a crucial component of the turbocharger system in certain models of the Chevrolet Silverado 1500, GMC Sierra 1500, and 2500. This pipe connects the intercooler to the turbocharger, allowing the pressurized air to cool down before entering the engine. In this article, we will discuss the pros and cons of buying this specific part.

1. OEM (Original Equipment Manufacturer) part: Purchasing this GM part ensures that it is a factory-designed component, engineered to fit and perform optimally with your vehicle.

2. High-quality materials: The lower intercooler pipe is made from durable materials, such as reinforced plastic or metal, depending on the specific application. This guarantees longevity and resistance to wear and tear.

3. Proper cooling: A properly functioning lower intercooler pipe is essential for maintaining optimal engine performance. It ensures that the air charge is cooled effectively, which in turn helps maintain engine efficiency and power output.

4. Reduces stress on other components: A failing or malfunctioning lower intercooler pipe can put additional stress on other parts of the turbocharger system, potentially leading to costly repairs or replacements.

5. Peace of mind: Buying a genuine GM part from a reputable dealer provides peace of mind, knowing that the part is covered under the manufacturer's warranty.

1. Cost: OEM parts, like the GM 12642431 lower intercooler pipe, can be more expensive than aftermarket alternatives.

2. Availability: Depending on the specific application and location, it might be challenging to find this part in stock at local dealerships or retailers.

3. Installation complexity: Installing a lower intercooler pipe can be a complex process, especially if you're not experienced in automotive repairs. It may require specialized tools and technical expertise.

The decision to buy the GM 12642431 lower intercooler pipe for your Sierra 2500 ultimately depends on your priorities. If you value OEM quality, durability, and the peace of mind that comes with a manufacturer's warranty, then this part may be the best choice for you. However, if cost and availability are your primary concerns, you might consider looking into aftermarket alternatives. Regardless of your decision, make sure to choose a reliable supplier and take the necessary steps to ensure proper installation.

If you decide to proceed with the purchase of the GM 12642431 lower intercooler pipe, we recommend buying it from a reputable and trusted GM parts dealer. This will help ensure that you receive a genuine, high-quality part and have access to any available warranties or customer support. Additionally, consider having the part installed by a certified mechanic or automotive professional to ensure proper fitment and functionality.

Details:

Superseded Part Numbers: This item may have been superseded from a different part number this manufacture. This part fits vehicles made in the following years 2017 ,2018,2019,2020,2021,2022.

part #: 12642431 prices

• $39.56-$117.70

specifications addedclutch:

• for models: 2500, Sierra
• for years: 2017-2022
• brand: Gm Oem
• part type: Pipe
• warranty: 1 Year
• return policy: No Returns For Parts Having Electrical Components
• manufacturer part number: 12642431
• item name: Lwr Return Pipe
• category 1: Engine
• fitment type: Direct Replacement
• category 3: Turbocharger Amp; Components
• genuine oem: Yes
• part ref on diagram: Only Part Reference 2 On The Diagram Is Included

seller addedclutch:

• city: Hermiston, Oregon
• rating: 100.0%
• # reviews: 7

returns addedclutch:

• time: 30 Days
• policy: Returns Accepted
• paid by: Seller

payments addedclutch:

• wallet: Apple-pay
• credit card: Diners-club
• other

offer addedclutch:

• started: March 24, 2026
• quantity: 1
• availability: In Stock
• options: Ship-to-home
• sold: 0

shipping addedclutch:

• class: Economy
• cost: $0.00
• transit: 3-9 Days
• carrier: UPS
• service: UPS Ground Saver
• type: Fixed

general addedclutch:

• condition: New
• Transmission Drivetrain > Clutch Parts Kits > Additional Clutch Parts

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