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Details
| Specification | Value |
|---|---|
| Brand | FAST |
| MPN | ft45637 |
| Width [mm] | 41 mm |
OE/OEM numbers (7)
Search by this OE number to find compatible parts
- CHRYSLER—5117591AA
- MERCEDES-BENZ—6111550315
- MERCEDES-BENZ—6111550515
- MERCEDES-BENZ—6111550715
- MERCEDES-BENZ—A6111550315
- MERCEDES-BENZ—A6111550515
- MERCEDES-BENZ—A6111550715
Where this part fits
Original-fit position for OE 5117591AA. The red ring marks where this part installs on the vehicle.
About this product
The FAST Belt Pulley Alternator (FT45637) 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: Width [mm]: 41 mm. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Verified to fit CHRYSLER, MERCEDES-BENZ 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: 10921683, 121066, 13009907, 140531005 and 45 more. Matching these numbers confirms a like-for-like replacement with no loss of function. FAST 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.
Suitable cars
Equivalent products (42)
Show all 42 OE numbers
Belt Pulley Alternator FAST FT45637 — compatible car models
| Car models | CHRYSLER: PT CRUISER (PT); MERCEDES-BENZ: C-CLASS Coupe (CL203), C-CLASS T-Model (S202), C-CLASS T-Model (S203), C-CLASS T-Model (S204), C-CLASS (W202), C-CLASS (W203), C-CLASS (W204), E-CLASS T-Model (S210), E-CLASS (W210), SPRINTER 2-t Bus (B901, B902) (+19 more) |
|---|---|
| Engines | 2.2 CRD; C 30 CDI AMG (203.718); C 200 T CDI (202.194); C 30 CDI AMG (203.218); C 250 CDI (204.203); C 200 CDI (202.134); C 30 CDI AMG (203.018); C 250 CDI (204.003); E 270 T CDI; E 270 CDI (210.016); 208 CDI (901.671, 902.671, 902.672); 208 CDI (901.611, 901.612, 901.621, 902.611, 902.612,...; 208 CDI (901.661, 901.662, 902.661, 902.662); 311 CDI 4x4 (906.731, 906.733, 906.735); 309 CDI (906.131, 906.133, 906.135, 906.231, 906.233,... (+14 more) |
| Year of manufacture | 1993-2020 |
| Manufacturer article number (MPN) | FT45637 |
| OE part numbers | 5117591AA, 6111550315, 6111550515, 6111550715, A6111550315, A6111550515, A6111550715 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
FAST ft45637 . Width [mm]: 41 mm
- 1x Belt Pulley Alternator
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 Belt Pulley Alternator compatible with my car?
This Belt Pulley Alternator fits CHRYSLER, MERCEDES-BENZ 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 FAST Belt Pulley Alternator have?
This FAST Belt Pulley Alternator has the following specifications: Width [mm]: 41 mm. Check the full specifications table above for complete details.
What OE part numbers does this Belt Pulley Alternator replace?
This Belt Pulley Alternator replaces OE part numbers: 5117591AA, 6111550315, 6111550515, 6111550715, A6111550315, A6111550515, A6111550715. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Belt Pulley Alternator cost?
This FAST Belt Pulley Alternator is available for £42.99. Belt Pulley Alternator prices vary depending on brand, specifications, and vehicle compatibility. FAST parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Belt Pulley Alternator?
Regular inspection of your Belt Pulley Alternator 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 Belt Pulley Alternator?
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 Belt Pulley Alternator fitted by a professional mechanic.
Can I use this part as a replacement for OE 5117591AA?
Yes, this FAST Belt Pulley Alternator is a direct replacement for OE part number 5117591AA. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
