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Details
| Specification | Value |
|---|---|
| Brand | HERTH+BUSS ELPARTS |
| Connector type | 8x4 + 3x8 + 1x20 |
| Width [mm] | 158 mm |
| Height [mm] | 63 mm |
| Bore Diameter [mm] | 5.5 mm |
| Protection Type (IP Code) | IP 69K |
| Number of pins | 12 -pin connector |
| Depth [mm] | 99 mm |
| Distance of mounting bores [mm] | 150 mm |
| Socket Width [mm] | 6.3 mm |
| Component Identification No. | TÜV (TÜ.EGG.078-03) |
| Connecting Thread 1 | 1 x M25 x 1.5 |
| Connecting Thread 2 | 3 x M20 x 1.5 |
| Connecting Thread 3 | 8 x M16 x 1.5 |
OE part numbers
No OEM references found.
What's in the kit
This kit ships with 7 factory-matched components. Each part below is supplied as part of the kit; click any linked MPN to view that component on its own.
| # | Part number | Component | Qty |
|---|---|---|---|
| 1 | 50390111 | Plug Insert, cable junction box
| 1 |
| 2 | 50390364 | Screwed Cable Gland
| 1 |
| 3 | 50390367 | Nut
| 1 |
| 4 | 50390363 | Screwed Cable Gland
| 3 |
| 5 | 50390366 | Nut
| 3 |
| 6 | 50390362 | Screwed Cable Gland
| 8 |
| 7 | 50390365 | Nut
| 8 |
About this product
When cable junction box performance matters, the HERTH+BUSS ELPARTS 50290027 delivers — built to the same dimensional and material standards as the original part it replaces. The part is built to the following specification: Connector type: 8x4 + 3x8 + 1x20, Width [mm]: 158 mm, Height [mm]: 63 mm, Bore Diameter [mm]: Rubber, Rubber mm, Number of bores: Aluminium. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. This part supersedes original equipment references: 09771711, 8KV 177 785-007, AK192006052. 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 (3)
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
HERTH+BUSS ELPARTS 50290027 . Bore Diameter [mm]: 5,5 mm. Component Identification No.: TÜV (TÜ.EGG.078-03). Connecting Thread 1: 1 x M25 x 1,5. Connecting Thread 2: 3 x M20 x 1,5. Connecting Thread 3: 8 x M16 x 1,5. Connector type: 8x4 + 3x8 + 1x20. Depth [mm]: 99 mm. Distance of mounting bores [mm]: 150 mm
- 1x Cable Junction Box
Shipping, returns, warranty
Free UK delivery on orders over £99.00. 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 Cable Junction Box 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 Cable Junction Box fits. All fitment data is verified through TecDoc.
What specifications does this HERTH+BUSS ELPARTS Cable Junction Box have?
This HERTH+BUSS ELPARTS Cable Junction Box has the following specifications: Connector type: 8x4 + 3x8 + 1x20; Width [mm]: 158 mm; Height [mm]: 63 mm; Bore Diameter [mm]: 5,5 mm; Number of bores: 2; Registration Type: 18. Check the full specifications table above for complete details.
How much does a Cable Junction Box cost?
This HERTH+BUSS ELPARTS Cable Junction Box is available for £124.99. Cable Junction Box 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 Cable Junction Box?
Regular inspection of your Cable Junction Box 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 Cable Junction Box?
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 Cable Junction Box fitted by a professional mechanic.
Is the HERTH+BUSS ELPARTS 50290027 the same as the HERTH+BUSS ELPARTS 50290025?
No, while both are Cable Junction Box parts, they are different products. The HERTH+BUSS ELPARTS 50290027 has Connector type: 8x4 + 3x8 + 1x20, Width [mm]: 158 mm, Height [mm]: 63 mm. The HERTH+BUSS ELPARTS 50290025 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.
