Speedmaster®
GM 4L80E Aluminum Transmission Pan with Silicon Gasket
Product Information
Overview
These Speedmaster automatic transmission deep pans provide additional fluid capacity and cooling ability. No modifications to the dipstick are needed. They include a drain plug for clean and easy fluid changes, and are available in chrome or cast aluminum.
Specs
| Brand: | Speedmaster |
| Part Number: | PCE221.1029 |
| Part Type: | Automatic Transmission Pan |
| Transmission Pan Style: | Deep |
| Depth (in.): | 3.500 in. |
| Secondary Depth (in.): | 2.500 in. |
| Drain Plug Included: | Yes |
| Bolts/Studs Included: | Yes |
| Filter Included: | No |
| Filter Extension Included: | No |
| Temperature Sender Bung Included: | No |
| Gasket Included: | Yes |
| Gasket Material: | Blue silicone with steel core |
| Transmission Oan Material: | Aluminum |
| Transmission Pan Finish: | Black |
| Quantity: | Sold Individually |
| Notes: | Filter extension optional, designed to work with standard oil filter. |
Warranty Information
12-Month Limited Worldwide Warranty
Prop 65 Warning
This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Installation Guide
Our AI assistant generates a step-by-step guide for this product — covering installation, maintenance, and troubleshooting.
This AI-generated guide is for general reference only and does not constitute official Speedmaster product documentation. Always verify fitment, torque specifications, and safety requirements before installation.