The ASHIKA Tensioner Timing Belt (45-03-319) is a professional-grade replacement component engineered for long service life and reliable operation across all conditions your vehicle encounters. The part is built to the following specification: Diameter [mm]: 58 mm, Height [mm]: 35 mm. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Verified to fit MAZDA models. All compatibility data is cross-checked against the TecDoc database — select your vehicle to confirm the part matches your specific engine and year. This part supersedes original equipment references: 03-40822-SX, 0342-5203, .03.517, 0-N083 and 29 more. Matching these numbers confirms a like-for-like replacement with no loss of function. ASHIKA is a recognised supplier of automotive engine timing components to independent workshops and dealer networks across Europe. All parts are sourced from authorised distribution channels and carry full manufacturer traceability — you receive exactly the same component supplied to professional garages and dealer workshops. If fitment or specifications do not match your vehicle, our technical team can help identify the correct alternative — use the vehicle selector or contact us with your VIN for a guaranteed-fit recommendation. Replacing worn components on schedule preserves your vehicle's safety, reliability, and resale value — and aftermarket parts from established brands deliver OEM-equivalent performance at a fraction of the dealer price. Every part is dispatched from our UK warehouse with a 30-day money-back guarantee and free hassle-free returns.

Ashika, part of the Italian Japanparts Group, is an aftermarket brand specialising in replacement parts for Japanese and Korean vehicles. Ashika offers filters, brake pads, brake discs, shock absorbers, water pumps, and suspension components engineered specifically for Asian vehicle platforms. Products are manufactured to OE-equivalent standards with quality certifications ensuring consistent performance. Ashika provides an ideal balance of quality and value for workshops and vehicle owners maintaining Toyota, Honda, Nissan, Hyundai, and Kia models at competitive prices.