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Details
| Specification | Value |
|---|---|
| Brand | AS-PL |
| MPN | sg0081s |
| Quality | STANDARD LINE |
| Outer Diameter [mm] | 73.40 mm |
| Length 1 [mm] | 139.6 mm |
| Length 2 [mm] | 20.40 mm |
OE/OEM numbers (1)
Search by this OE number to find compatible parts
- FIAT—9940739
Where this part fits
Original-fit position for OE 9940739. The red ring marks where this part installs on the vehicle.
About this product
Sourced from AS-PL, this ring gear planetary gearbox starter (SG0081S) combines precision engineering with durable materials to meet the demands of everyday driving and extended service intervals. Technical specifications — Number of Teeth: 42, Quality: STANDARD LINE, Outer Diameter [mm]: 73, 40 mm, Length 1 [mm]: 139, Plastic mm, Length 2 [mm]: 20, 40 mm — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. This part supersedes original equipment references: 0001109009, 0001110003, 0001110005, 0001110024 and 24 more. Matching these numbers confirms a like-for-like replacement with no loss of function. AS-PL 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.
Suitable cars
Vehicle matches are curated from manufacturer data
Confirmed fits based on manufacturer data.Equivalent products (27)
Show all 27 OE numbers
Ring Gear Planetary Gearbox Starter AS-PL SG0081S — compatible car models
| Manufacturer article number (MPN) | SG0081S |
|---|---|
| OE part numbers | 9940739 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
AS-PL sg0081s Brand new AS-PL. Length 1 [mm]: 139,6 mm. Length 2 [mm]: 20,40 mm. Number of grooves: 10. Number of Teeth: 42. Outer Diameter [mm]: 73,40 mm. Quality: STANDARD LINE
- 1x Ring Gear Planetary Gearbox Starter
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 Ring Gear Planetary Gearbox Starter compatible with my car?
Use the vehicle selector at the top of the page to check compatibility. Enter your car's make, model, and engine — we'll confirm whether this Ring Gear Planetary Gearbox Starter fits. All fitment data is verified through TecDoc.
What specifications does this AS-PL Ring Gear Planetary Gearbox Starter have?
This AS-PL Ring Gear Planetary Gearbox Starter has the following specifications: Number of Teeth: 42; Quality: STANDARD LINE; Outer Diameter [mm]: 73,40 mm; Length 1 [mm]: 139,6 mm; Length 2 [mm]: 20,40 mm; Number of grooves: 10. Check the full specifications table above for complete details.
What OE part numbers does this Ring Gear Planetary Gearbox Starter replace?
This Ring Gear Planetary Gearbox Starter replaces OE part numbers: 9940739. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Ring Gear Planetary Gearbox Starter cost?
This AS-PL Ring Gear Planetary Gearbox Starter is available for £19.99. Ring Gear Planetary Gearbox Starter prices vary depending on brand, specifications, and vehicle compatibility. AS-PL parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Ring Gear Planetary Gearbox Starter?
Regular inspection of your Ring Gear Planetary Gearbox Starter 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 Ring Gear Planetary Gearbox Starter?
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 Ring Gear Planetary Gearbox Starter fitted by a professional mechanic.
Can I use this part as a replacement for OE 9940739?
Yes, this AS-PL Ring Gear Planetary Gearbox Starter is a direct replacement for OE part number 9940739. 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 AS-PL SG0081S the same as the AS-PL SG0009?
No, while both are Ring Gear Planetary Gearbox Starter parts, they are different products. The AS-PL SG0081S has Number of Teeth: 42, Quality: STANDARD LINE, Outer Diameter [mm]: 73,40 mm. The AS-PL SG0009 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.
