Heavy-Duty Cast Deep Transmission Pan

Features:

• High-grade A356.0-T6 heat-treated cast aluminum alloy
• Lowers transmission fluid temperature
• Durable, cast A356.0 T6 aluminum alloy
• .75’’ inch external fins engineered to utilize underbody air flow
• .75’’ and 1.2’’ internal heat sinks improve heat dissipation and reduce sloshing
• External gussets provide extra support to the machined flange 
• Compatible with OEM gasket
• Limited lifetime warranty

Enhances Performance & Longevity

Take your Allison Transmission to the next level of performance and longevity with PPE's Heavy-Duty Cast Deep Transmission Pan. The deep pan increases fluid capacity by up to a full gallon, this is incredibly beneficial as it lowers transmission fluid temperatures and increases thermal stamina. Continue the Allison Transmission's legacy of rock-solid performance and reliability with PPE's Heavy-Duty Cast Deep Transmission Pan.

Upgraded Design & Performance

PPE designed their Heavy-Duty Cast Deep Transmission Pan with cast aluminum fins and heat sinks to improve heat dissipation. Complete with external gussets to support the machined flange to offer impressive durability. PPE includes a high-power Neodymium magnet-equipped billet 304 stainless steel drain plug with Viton O-ring seal and a 9/16’’ ORB Neodymium Magnetic Plug with Viton O-ring seals for the fluid level check port. Best of all, these powerful magnets pull ferrous metals out of the fluid before they can wreak havoc to the expensive internals.

Fits: 2020, 2021, 2022, 2023, 2024, 2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax with Allison 10L 1000 Transmission

Notes:

• Fits 2020-2025 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax with 10L1000 transmission.
• Increases fluid capacity by about 1 gallon.
• Lowers transmission fluid temperatures under heavy use.
• .75" external fins improve cooling with airflow.
• Internal heat sinks help reduce fluid slosh.
• Includes magnetic stainless drain plug to catch debris.
• Works with OEM gasket for easier installation.
• Reinforced flange gussets add durability and support.
• Optional sensor port allows fluid temp monitoring.
• Backed by PPE’s limited lifetime warranty.

Installation Instructions