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Details
| Specification | Value |
|---|---|
| Brand | HERTH+BUSS ELPARTS |
| Connector type | 4 x 2.8 mm |
| Connector type | 5 x 6.3 mm |
| Number of pins | 9 -pin connector |
OE numbers (2)
Search by this OE number to find compatible parts
- VOLVO—21891605
- FENDT—X830.230.710
About this product
Sourced from HERTH+BUSS ELPARTS, this relay socket (50290266) combines precision engineering with durable materials to meet the demands of everyday driving and extended service intervals. Technical specifications — Connector type: 4 x 2, 8 mm, Connector type: 5 x 6, 3 mm, Supplementary Article/Supplementary Info: 20, Number of pins: Stainless Steel -pin connector, Plug Type: Copper — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. This part supersedes original equipment references: 0-729-00, 090 295 008, 10 485 008, 10485008 and 14 more. 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 (19)
Relay Socket HERTH+BUSS ELPARTS 50290266 — compatible car models
| Manufacturer article number (MPN) | 50290266 |
|---|---|
| OE part numbers | 21891605, X830.230.710 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
HERTH+BUSS ELPARTS 50290266 . Connector type: 4 x 2,8 mm. Connector type: 5 x 6,3 mm. Number of pins: 9 -pin connector. Plug Type: 4. Supplementary Article/Supplementary Info: 20
- 1x Relay Socket
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 Relay Socket 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 Relay Socket fits. All fitment data is verified through TecDoc.
What specifications does this HERTH+BUSS ELPARTS Relay Socket have?
This HERTH+BUSS ELPARTS Relay Socket has the following specifications: Connector type: 4 x 2,8 mm; Connector type: 5 x 6,3 mm; Supplementary Article/Supplementary Info: 20; Number of pins: 9 -pin connector; Plug Type: 4. Check the full specifications table above for complete details.
What OE part numbers does this Relay Socket replace?
This Relay Socket replaces OE part numbers: 21891605, X830.230.710. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Relay Socket cost?
This HERTH+BUSS ELPARTS Relay Socket is available for £4.99. Relay Socket 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 Relay Socket?
Regular inspection of your Relay Socket 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 Relay Socket?
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 Relay Socket fitted by a professional mechanic.
Can I use this part as a replacement for OE 21891605?
Yes, this HERTH+BUSS ELPARTS Relay Socket is a direct replacement for OE part number 21891605. 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 50290266 the same as the HERTH+BUSS ELPARTS 50290267?
No, while both are Relay Socket parts, they are different products. The HERTH+BUSS ELPARTS 50290266 has Connector type: 4 x 2,8 mm, Connector type: 5 x 6,3 mm, Supplementary Article/Supplementary Info: 20. The HERTH+BUSS ELPARTS 50290267 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.
