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Details
| Specification | Value |
|---|---|
| Brand | KS TOOLS |
| MPN | 503.8131 |
| Spanner Size | 4.0 |
| Weight [g] | 10 g |
| Additionally required articles (article numbers) | 503.4511 |
| Drive [mm] | 8 mm |
| Total Length [mm] | 15 mm |
OE part numbers
No OEM references found.
About this product
The KS TOOLS Screwdriver Bit (503.8131) 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: Material: 154, Spanner Size: Copper, 0, Bolt Head-/Nut Design: Aluminium, Surface: Bronze, Weight [g]: Brass g. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. KS TOOLS 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.No equivalent parts found.
Compatibility check
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Please wait while we load vehicle compatibility information.Description and what's included
KS TOOLS 503.8131 . Additionally required articles (article numbers): 503.4511. Bolt Head-/Nut Design: 2. Drive [mm]: 8 mm. Drive side (profile): 16. Material: 154. Spanner Size: 4,0. Surface: 11. Total Length [mm]: 15 mm
- 1x Screwdriver Bit
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 Screwdriver Bit 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 Screwdriver Bit fits. All fitment data is verified through TecDoc.
What specifications does this KS TOOLS Screwdriver Bit have?
This KS TOOLS Screwdriver Bit has the following specifications: Material: 154; Spanner Size: 4,0; Bolt Head-/Nut Design: 2; Surface: 11; Weight [g]: 10 g; Additionally required articles (article numbers): 503.4511. Check the full specifications table above for complete details.
How much does a Screwdriver Bit cost?
This KS TOOLS Screwdriver Bit is available for £7.99. Screwdriver Bit prices vary depending on brand, specifications, and vehicle compatibility. KS TOOLS parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Screwdriver Bit?
Regular inspection of your Screwdriver Bit 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 Screwdriver Bit?
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 Screwdriver Bit fitted by a professional mechanic.
Is the KS TOOLS 503.8131 the same as the KS TOOLS 150.9472?
No, while both are Screwdriver Bit parts, they are different products. The KS TOOLS 503.8131 has Material: 154, Spanner Size: 4,0, Bolt Head-/Nut Design: 2. The KS TOOLS 150.9472 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.
