Quinton Hazell Timing Belt • QTB338

Quinton Hazell QTB338 Timing Belt

Replacement Quinton Hazell timing belt for Mazda MX-5 MK1/NA and MK2/NB/NB-FL 1.6 and 1.8 petrol models, including the 1.8i Turbo, as listed in the compatibility table.

The timing belt synchronises the crankshaft and camshaft so that the engine's valves operate at the correct point in the combustion cycle. QTB338 is designed as an aftermarket replacement for the original component.

QTB338 has 145 teeth and is 22 mm wide. Timing belts deteriorate through age, mileage, heat and repeated flexing, so replacement should be considered alongside the associated tensioner, idler pulley and water pump while the timing system is dismantled.

• Part type: Timing belt / cambelt
• Location: Engine timing system
• Driven unit: Camshaft
• Number of teeth: 145
• Width: 22 mm
• Quantity per vehicle: 1
• Quantity supplied: 1 timing belt
• Brand: Quinton Hazell
• Part No.: QTB338
• Designed as an aftermarket replacement for the original part on the applications listed

Fitment advice: QTB338 is catalogued across the Mazda MX-5 NA and NB/NB-FL applications shown in the compatibility table. For imported, modified or previously repaired cars, matching the part number or component style on the part being replaced is recommended.

Other items to consider: QTT332 timing belt tensioner pulley, QTT333 timing belt idler pulley, water pump, camshaft seals, crankshaft seal and auxiliary drive belts.

Useful tools / consumables: Suitable socket set, torque wrench, crankshaft holding tools where required and appropriate engine timing tools.

Difficulty guide: DIY Difficulty: Advanced. Timing belt replacement requires correct engine timing, belt routing and tensioning procedures. Incorrect installation can prevent the engine from operating correctly.

Why Quinton Hazell? Quinton Hazell is a long-established automotive aftermarket brand, offering dependable replacement parts for servicing and repair. Its components are designed as practical aftermarket replacements for the original parts on the applications listed.

What’s in the box: 1 × Quinton Hazell QTB338 timing belt.

Installation notes: Inspect the complete timing-belt system before installation. Check the tensioner pulley, idler pulley, water pump and oil seals while access is available. Establish the correct engine timing and belt tension before rotating or starting the engine.