<p>Understand transmission technology: TCU, mechatronic units, valve bodies, DSG, CVT and torque converters — how they work and how to replace them.</p>
A 4x2 gearbox drives one rear axle via one propeller shaft; a 4x4 unit must connect a transfer case and carry a front output. Why the two differ and how to order the correct Hiace gearbox.
Read ArticleBuy 02E927770AJ DQ250 mechatronic for VW/Audi/Skoda. Check part number suffix, programming status, valve body scope, and bench testing before you order.
Read articleBuy the 1316304163 ZF synchronizer hub for heavy-duty truck gearboxes. Confirm fitment by OE number, decide hub vs kit, and inspect wear before you rebuild.
Read articleWhich DQ500 mechatronic fits your VW or Audi — 0BT or 0BH? Check suffix rules, programming state, valve body scope, bench testing and warranty.
Read articleRepair or replace the 722.8 TCM CVT on a W169 A-Class or W245 B-Class? Compare suffix fitment, coding, bench testing and warranty before you order.
Read articleCompare 0AM927769K vs 0AM927769D DQ200 TCU: suffix fitment, programming state, valve body scope, bench testing, and warranty before you order.
Read articleLearn how to identify the correct Chery QQ manual transmission for the 372 (0.8L) and 472 (1.1L) engines by VIN, engine code, and gearbox model.
Read articleBuy the 0AM927769D DQ200 TCU for VW/Audi. Confirm fitment by VIN, blank vs pre-programmed, valve body scope, bench test and basic setting.
Read articleConfirm Toyota Hiace 3L/5L gearbox fitment by the 33030 OEM number, 2WD/4WD flange, oil spec and new vs reman before you quote.
Read articleChoosing a DL501 0B5 valve body for Audi A4/A5/A6? Learn compatibility, failure signs, blank vs programmed units, and what to verify before you buy.
Read articleBuy the 33030-0W641 Toyota Hiace 3L gearbox with OEM cross-reference to 33030-26691 and 33030-0L010. Confirm fitment by VIN before you order.
Read articleBrowse our full range of engines, gearboxes, and transmission components — engineered for performance, built for reliability.
