Speedmaster®
Ford 9" Differential 3rd Third Member Gasket
Product Information
Overview
Are you adding a new differential cover? Speedmaster offers differential cover gaskets to complete your install. Gaskets can break down and crack over time, and installing a new one is a smart decision when removing and replacing your differential cover. Speedmaster has more than track-proven drivelines and rear-end components. They offer quality items to complete your job. Get precision-cut paper gaskets to seal your differential cover from PCE.
Specs
| Brand: | Speedmaster |
| Part Number: | PCE434.1001 |
| Part Type: | Differential Cover Gasket |
| Gasket Material: | Paper |
| Thickness (in): | 0.040 in. |
| Quantity: | Sold individually. |
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.



