<p>Maintenance and repair guides for gearboxes, engines and drivelines — from synchronizer wear to oil and filter basics, explained by TOSEN AUTO.</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 the right Toyota Land Cruiser 11:41 differential. Learn the ratio math, front vs rear axle fitment, and backlash checks before you order.
Read articleBuy a Toyota Hiace 9:41 differential with confidence. Learn to read the ratio, check carrier fitment, verify tooth contact, and order the right unit.
Read articleBuy an Isuzu NPR 7:41 differential assembly. Verify the gear ratio, match front or rear axle, and check backlash before you order.
Read articleBuy the right Isuzu NQR 10:41 differential. Learn how to read the ratio, match axle, housing, splines and bearings, and verify backlash.
Read articleHow to confirm the Isuzu NPR 8:43 differential fits your axle: teeth count, axle code, splines, backlash and installation checks before you order.
Read articleBuy the 38810-RZY-A01 Honda CR-V A/C compressor. Verify refrigerant, pulley grooves, clutch, and oil, and get a fitment-confirmed quote.
Read articleGrinding gears on the 2nd or 3rd shift? A worn synchronizer ring is usually the culprit. Learn the symptoms, what causes the wear, and how to order the right replacement.
Read articleBrowse our full range of engines, gearboxes, and transmission components — engineered for performance, built for reliability.
