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Details
| Specification | Value |
|---|---|
| Brand | OPTIMAL |
| MPN | 0-n056 |
| Width [mm] | 34 mm |
| Outer Diameter 1 [mm] | 57.5 mm |
| Outer Diameter 2 [mm] | 63.5 mm |
OE/OEM numbers (2)
Where this part fits
Original-fit position for OE MD169592. The red ring marks where this part installs on the vehicle.
About this product
Sourced from OPTIMAL, this tensioner pulley timing belt (0-N056) combines precision engineering with durable materials to meet the demands of everyday driving and extended service intervals. Technical specifications — Width [mm]: 34 mm, Outer Diameter 1 [mm]: 57, Rubber mm, Outer Diameter 2 [mm]: 63, Rubber mm — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Verified to fit HAFEI, MITSUBISHI, PROTON, SOUEAST and 2 other makes 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: 03.417, 0342-2205, 0487-CA5A, 13MI011 and 29 more. Matching these numbers confirms a like-for-like replacement with no loss of function. OPTIMAL 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.
About OPTIMAL
OPTIMAL, founded in Germany, is a well-regarded aftermarket brand specialising in steering, suspension, and wheel bearing components. OPTIMAL produces ball joints, tie rod ends, control arm bushings, wheel bearings, and stabiliser links for European, Asian, and American vehicle applications. Manufactured to stringent quality standards with comprehensive testing protocols, OPTIMAL parts deliver OE-matching fit and performance. Known for excellent value and wide vehicle coverage, OPTIMAL is a popular choice among professional workshops across Europe.
Suitable cars
Equivalent products (32)
Show all 32 OE numbers
Tensioner Pulley Timing Belt OPTIMAL 0-N056 — compatible car models
| Car models | HAFEI: SAIBAO V; MITSUBISHI: CARISMA (DA), CARISMA Saloon (DA), COLT IV (CAA), COLT V (CJ, CP), ECLIPSE Convertible, ECLIPSE Convertible (D5A), FTO Coupe (DEA), GALANT VIII (EA), LANCER IV Hatchback (C6A, C7A), LANCER V (CBA, CDA, CEA) (+7 more); PROTON: PERSONA 400 (C9S), PERSONA 400 Hatchback (C9C, C9S); SOUEAST: FREECA; VOLVO: S40 I (644), V40 Estate (645); ZHONGHUA (BRILLIANCE): JUNJIE (M2), JUNJIE WAGON, KUBAO (M3), ZUNCHI (M1) |
|---|---|
| Engines | 1.8; 1.8 16V GDI (DA2A); 1.8 GTi 16V (CA5A); 1.8 (CJ5A); 1.8 (DE2A); 1.8 GDi (EA1A); 1.8 GTi 16V (C69A); 1.8 16V (CB5A); 1.8 (CC5A); 1.8 4WD (CD5W); 1.8 4WD (CM5A); 1.8 GDI (H66W, H76W); 1.8 4WD (K90W); 1.8 GDI (DG5A); 418 (+3 more) |
| Year of manufacture | 1988-2015 |
| Manufacturer article number (MPN) | 0-N056 |
| OE part numbers | 30873954, MD169592 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
OPTIMAL 0-n056 . Outer Diameter 1 [mm]: 57,5 mm. Outer Diameter 2 [mm]: 63,5 mm. Width [mm]: 34 mm
- 1x Tensioner Pulley Timing Belt
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Express and standard shipping available.
- Standard delivery: 2-5 business days
- Express delivery: 1-2 business days
- Free returns within 14 days
- All parts backed by manufacturer warranty
Warranty: 12-month manufacturer warranty on all parts. 14-day money-back guarantee if the part doesn't fit your vehicle.
Frequently Asked Questions
Is this Tensioner Pulley Timing Belt compatible with my car?
This Tensioner Pulley Timing Belt fits HAFEI, MITSUBISHI, PROTON, SOUEAST, VOLVO and 1 more vehicles. Use the vehicle selector at the top of the page to check exact compatibility — enter your car's make, model, and engine for a confirmed fitment match. All fitment data is verified through TecDoc.
What specifications does this OPTIMAL Tensioner Pulley Timing Belt have?
This OPTIMAL Tensioner Pulley Timing Belt has the following specifications: Width [mm]: 34 mm; Outer Diameter 1 [mm]: 57,5 mm; Outer Diameter 2 [mm]: 63,5 mm. Check the full specifications table above for complete details.
What OE part numbers does this Tensioner Pulley Timing Belt replace?
This Tensioner Pulley Timing Belt replaces OE part numbers: 30873954, MD169592. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Tensioner Pulley Timing Belt cost?
This OPTIMAL Tensioner Pulley Timing Belt is available for £20.99. Tensioner Pulley Timing Belt prices vary depending on brand, specifications, and vehicle compatibility. OPTIMAL parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Tensioner Pulley Timing Belt?
Regular inspection of your Tensioner Pulley Timing Belt is recommended as part of routine vehicle maintenance. Watch for changes in performance, unusual noises, or visual signs of wear. Consult your vehicle's owner manual for manufacturer-recommended replacement intervals specific to your make and model.
What tools do I need to replace a Tensioner Pulley Timing Belt?
Tools required vary by vehicle make and model. Generally, a basic socket set, screwdrivers, and vehicle-specific tools may be needed. We recommend consulting a workshop manual for your specific vehicle, or having the Tensioner Pulley Timing Belt fitted by a professional mechanic.
Can I use this part as a replacement for OE 30873954?
Yes, this OPTIMAL Tensioner Pulley Timing Belt is a direct replacement for OE part number 30873954. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
Related categories
Common OE numbers for this part
Common original equipment numbers linked to stocked alternatives.
