- 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 | HERTH+BUSS ELPARTS |
| Manufacturer Restriction | KOSTAL RK 4 L 90 |
| Diameter [mm] | 4 mm |
| Length [mm] | 14 mm |
| Temperature range to [°C] | 130 °C |
| Current rating at 20°C [A] | 60 A |
| Current rating at 80°C [A] | 40 A |
OE numbers (2)
Search by this OE number to find compatible parts
- MERCEDES-BENZ—003 545 26 26
- MERCEDES-BENZ—A 003 545 26 26
Where this part fits
Original-fit position for OE 0035452626. The red ring marks where this part installs on the vehicle.
About this product
The HERTH+BUSS ELPARTS Contact Sleeve (50253925) 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: KOSTAL RK 4 L 90, Diameter [mm]: Copper mm, Length [mm]: Nylon mm, Surface: Synthetic, Plug Type: Synthetic. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. This part supersedes original equipment references: 003 545 26 26, 10124406300, 50253922, A 003 545 26 26. Matching these numbers confirms a like-for-like replacement with no loss of function. HERTH+BUSS ELPARTS 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 with tracked delivery and a 14-day money-back guarantee with hassle-free returns.
Suitable cars
Fitment not confirmed for this part
We could not confirm which vehicles this part fits — check before buying.Equivalent products (2)
Contact Sleeve HERTH+BUSS ELPARTS 50253925 — compatible car models
| Manufacturer article number (MPN) | 50253925 |
|---|---|
| OE part numbers | 003 545 26 26, A 003 545 26 26 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
HERTH+BUSS ELPARTS 50253925 . Base body material: 103. Current rating at 20°C [A]: 60 A. Current rating at 80°C [A]: 40 A. Diameter [mm]: 4 mm. Length [mm]: 14 mm. Manufacturer Restriction: KOSTAL RK 4 L 90. Plug Type: 19. Surface: 19
- 1x Contact Sleeve
Shipping, returns, warranty
Free UK delivery on orders over £50.00. Tracked standard shipping.
- Standard delivery: 4–8 business days
- Order before 5pm — ships the next working day
- 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 Contact Sleeve 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 Contact Sleeve fits. All fitment data is verified through TecDoc.
What specifications does this HERTH+BUSS ELPARTS Contact Sleeve have?
This HERTH+BUSS ELPARTS Contact Sleeve has the following specifications: Manufacturer Restriction: KOSTAL RK 4 L 90; Diameter [mm]: 4 mm; Length [mm]: 14 mm; Surface: 19; Plug Type: 19; Temperature range to [°C]: 130 °C. Check the full specifications table above for complete details.
What OE part numbers does this Contact Sleeve replace?
This Contact Sleeve replaces OE part numbers: 003 545 26 26, A 003 545 26 26. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Contact Sleeve cost?
This HERTH+BUSS ELPARTS Contact Sleeve is available for £2.99. Contact Sleeve prices vary depending on brand, specifications, and vehicle compatibility. HERTH+BUSS ELPARTS parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Contact Sleeve?
Regular inspection of your Contact Sleeve 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 Contact Sleeve?
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 Contact Sleeve fitted by a professional mechanic.
Can I use this part as a replacement for OE 003 545 26 26?
Yes, this HERTH+BUSS ELPARTS Contact Sleeve is a direct replacement for OE part number 003 545 26 26. 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 HERTH+BUSS ELPARTS 50253925 the same as the HERTH+BUSS ELPARTS 50253272?
No, while both are Contact Sleeve parts, they are different products. The HERTH+BUSS ELPARTS 50253925 has Manufacturer Restriction: KOSTAL RK 4 L 90, Diameter [mm]: 4 mm, Length [mm]: 14 mm. The HERTH+BUSS ELPARTS 50253272 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.
