ACD & AYC
Pump Restoration
Fully reconditioned active center differential and active yaw control pumps for the Mitsubishi Lancer Evolution. Bench-tested, warrantied, shipped worldwide.
Why specialists
trust the bench
Every unit passes the same process — diagnostics, restoration, calibration and load testing — before it ships.
Repair
Professional pump restoration to OEM+ specification.
Warranty
12-month warranty on every rebuilt unit we ship.
Parts
Genuine components in stock and ready to fit.
Fast
5–7 day turnaround on most restored units.
Featured units
Full cycle pump restoration
Complete restoration and maintenance for ACD and AYC pumps — from diagnostics through calibration, with optional Stage 1 and Stage 2 upgrades.
Trade in your old pump
Send photos of your unit for evaluation and get $150 – $350 credit toward a restored pump.
Latest articles
ACD Pump Restoration Process
Stages of professional restoration of active differential pumps
Read more →Signs of AYC Pump Failure
How to determine if your AYC pump requires repair or replacement
Read more →What is the ACD System and How Does It Work
A detailed overview of Mitsubishi's active center differential system
Read more →