- Shop with confidence: competitive prices, exclusive deals, and delivery perks.
- Need it quickly? We dispatch fast-moving parts daily. Check delivery options.
- Swap or return items within the standard return period with a simple process.
- Questions about fitment or orders? Our support team is ready to help.
Similar products
Customers also bought
Details
| Specification | Value |
|---|---|
| Brand | HELLA |
| MPN | 9xu358038-621 |
| Manufacturer Restriction | Bosch |
| Width [mm] | 33.7 mm |
| Thread Size | M16x1.5 |
| Inner Diameter [mm] | 17 mm |
| Outer Diameter [mm] | 58 mm |
| Belt Pulley Ø [mm] | 53 mm |
| Fitting Depth [mm] | 11.3 mm |
| Distance from belt pulley to alternator [mm] | 5 mm |
| for manufacturer number | F-233525.XX |
| for manufacturer number | F-583944.XX |
OE/OEM numbers (20)
Search by this OE number to find compatible parts
- PORSCHE—916.603.012.00
- PORSCHE—996.603.012.00
- PORSCHE—996.603.012.01
- PORSCHE—996.603.012.02
- PORSCHE—996.603.012.03
- PORSCHE—996.603.012.04
- PORSCHE—996.603.012.05
- PORSCHE—996.603.012.09
- PORSCHE—996.603.152.50
- PORSCHE—997.603.002.03
- PORSCHE—997.603.012.01
- PORSCHE—997.603.012.03
- PORSCHE—997.603.012.05
- PORSCHE—997.603.012.07
- PORSCHE—997.603.022.00
- PORSCHE—997.603.022.01
- PORSCHE—997.603.022.03
- PORSCHE—997.603.022.05
- PORSCHE—997.603.022.EX
- PORSCHE—997.603.154.00
Where this part fits
Original-fit position for OE 99760302205. The red ring marks where this part installs on the vehicle.
About this product
The HELLA Alternator Freewheel Clutch (9XU 358 038-621) 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: Manufacturer Restriction: Bosch, Width [mm]: 33, Ceramic mm, Thread Size: M16x1, Rubber, Inner Diameter [mm]: Fibreglass mm, Outer Diameter [mm]: 58 mm. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Verified to fit PORSCHE 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: 0124515001, 0124515015, 0124515042, 0124515073 and 57 more. Matching these numbers confirms a like-for-like replacement with no loss of function. HELLA is a recognised supplier of automotive replacement 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 HELLA
HELLA, founded in 1899 in Lippstadt, Germany, is a global automotive lighting and electronics specialist now operating as FORVIA HELLA. HELLA specialises in headlamps, rear lights, signal lighting, sensors, actuators, and electronic control units. As an OE supplier to virtually all major car manufacturers, HELLA products represent the cutting edge of automotive lighting and electronic technology. With 125+ years of innovation in vehicle illumination and electronics, HELLA is the definitive choice for high-quality lighting and electronic component replacements.
Suitable cars
Equivalent products (41)
Show all 41 OE numbers
Alternator Freewheel Clutch HELLA 9XU 358 038-621 — compatible car models
| Car models | PORSCHE: 911 (996), 911 (997), 911 Convertible (996), 911 Convertible (997), 911 Targa (996), 911 Targa (997), BOXSTER (986), BOXSTER (987), CAYMAN (987) |
|---|---|
| Engines | 3.4 Carrera; 3.6 Carrera; 3.6; 3.6 Carrera 4; 2.7 |
| Year of manufacture | 1996-2013 |
| Manufacturer article number (MPN) | 9XU 358 038-621 |
| OE part numbers | 916.603.012.00, 996.603.012.00, 996.603.012.01, 996.603.012.02, 996.603.012.03, 996.603.012.04, 996.603.012.05, 996.603.012.09, 996.603.152.50, 997.603.002.03, 997.603.012.01, 997.603.012.03, 997.603.012.05, 997.603.012.07, 997.603.022.00, 997.603.022.01, 997.603.022.03, 997.603.022.05, 997.603.022.EX, 997.603.154.00 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
HELLA 9xu358038-621 . Belt Pulley Ø [mm]: 53 mm. Distance from belt pulley to alternator [mm]: 5 mm. Fitting Depth [mm]: 11,3 mm. for manufacturer number: F-233525.XX. for manufacturer number: F-583944.XX. Inner Diameter [mm]: 17 mm. Manufacturer Restriction: Bosch. Number of grooves: 6
- 1x Alternator Freewheel Clutch
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 Alternator Freewheel Clutch compatible with my car?
This Alternator Freewheel Clutch fits PORSCHE 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 HELLA Alternator Freewheel Clutch have?
This HELLA Alternator Freewheel Clutch has the following specifications: Manufacturer Restriction: Bosch; Width [mm]: 33,7 mm; Thread Size: M16x1,5; Inner Diameter [mm]: 17 mm; Outer Diameter [mm]: 58 mm; Belt Pulley Ø [mm]: 53 mm. Check the full specifications table above for complete details.
What OE part numbers does this Alternator Freewheel Clutch replace?
This Alternator Freewheel Clutch replaces OE part numbers: 916.603.012.00, 996.603.012.00, 996.603.012.01, 996.603.012.02, 996.603.012.03, 996.603.012.04, 996.603.012.05, 996.603.012.09 and 12 more. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Alternator Freewheel Clutch cost?
This HELLA Alternator Freewheel Clutch is available for £39.99. Alternator Freewheel Clutch prices vary depending on brand, specifications, and vehicle compatibility. HELLA parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Alternator Freewheel Clutch?
Regular inspection of your Alternator Freewheel Clutch 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 Alternator Freewheel Clutch?
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 Alternator Freewheel Clutch fitted by a professional mechanic.
Can I use this part as a replacement for OE 916.603.012.00?
Yes, this HELLA Alternator Freewheel Clutch is a direct replacement for OE part number 916.603.012.00. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
Is the HELLA 9XU 358 038-621 the same as the HELLA 9XU 358 038-011?
No, while both are Alternator Freewheel Clutch parts, they are different products. The HELLA 9XU 358 038-621 has Manufacturer Restriction: Bosch, Width [mm]: 33,7 mm, Thread Size: M16x1,5. The HELLA 9XU 358 038-011 may differ in dimensions, fitting position, or material composition. Always verify compatibility with your specific vehicle using our vehicle selector, or contact our customer service team for assistance.
Related categories
Common OE numbers for this part
Common original equipment numbers linked to stocked alternatives.
