Description
Product Overview
The EMPI 311-129-777 throttle cable extender is a precision‑engineered round piece designed to extend or replace accelerator cables. Constructed from high‑strength steel, it offers durability while remaining lightweight at just 0.16 ounces. Its compact dimensions (3 × 2 × 0.25 in) allow it to fit into tight engine bays without interfering with other components. The integrated set screw ensures a secure, vibration‑free connection, maintaining consistent throttle input.
Usage

Ideal for automotive enthusiasts, mechanics, and DIY owners, this extender works on most passenger cars, light trucks, and performance vehicles that use standard accelerator cables. It is perfect for restoring worn cables, customizing throttle response, or upgrading aftermarket throttle systems. Installation requires basic hand tools and can be completed in under 30 minutes, making it suitable for both professional shops and home garages.
Why Choose Us
EMPI is a trusted name in automotive components, known for rigorous quality control and engineering excellence. Each extender undergoes corrosion‑resistant coating and dimensional testing to meet OEM specifications. Our parts are backed by a satisfaction guarantee, ensuring you receive a product that performs reliably under demanding driving conditions.
Key Features
- High‑strength steel construction for long‑lasting durability
- Compact 3 × 2 × 0.25 in size fits tight engine spaces
- Integrated set screw provides a secure, vibration‑free fit
- Lightweight design (0.16 oz) reduces overall vehicle weight
- OEM‑compatible part number 311‑129‑777 for easy replacement
FAQ
What vehicles are compatible with this extender?
The EMPI extender fits most vehicles that use standard accelerator cables, including many domestic and import cars, light trucks, and performance models. Check your vehicle’s service manual for cable specifications.
Is any special tool required for installation?
Only basic hand tools such as a screwdriver and pliers are needed to tighten the set screw and secure the piece. No specialized equipment is required.
Can this part be used for performance upgrades?
Yes, the sturdy steel construction and precise fit make it suitable for both stock repairs and performance throttle upgrades, providing consistent response under higher loads.
Does the extender come pre‑assembled?
The part is shipped as a single round piece with a set screw; it is ready to install once the screw is tightened to the recommended torque.
What warranty does EMPI offer?
EMPI provides a limited one‑year warranty covering manufacturing defects, ensuring peace of mind for your purchase.





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