- 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 | DT Spare Parts |
| MPN | 9.75041 |
| Pipe Diameter [mm] | 12 mm |
| Thread Size | M18 x 1.5 |
| DIN/ISO | DIN 3870 |
| Net Weight [g] | 25 g |
OE numbers (15)
Search by this OE number to find compatible parts
- MERCEDES-BENZ—003870 012100
- MERCEDES-BENZ—003870 012102
- MERCEDES-BENZ—003870 012104
- DAF—0124399
- DAF—0238007
- MAN—06.71030.2114
- DAF—124399
- DAF—238007
- SCANIA—812896
- SCANIA—814555
- MERCEDES-BENZ—915017 012100
- MERCEDES-BENZ—N003870 012100
- MERCEDES-BENZ—N003870 012102
- MERCEDES-BENZ—N003870 012104
- MERCEDES-BENZ—N915017 012100
Where this part fits
Original-fit position for OE N915017012100.
About this product
DT Spare Parts Union Nut (9.75041) is manufactured to OEM tolerances, ensuring a direct-fit replacement that restores your vehicle to factory specification without any modification. Technical specifications — Pipe Diameter [mm]: Zinc mm, Thread Size: M18 x 1, Rubber, DIN/ISO: DIN 3870, Surface: Nylon, Guarantee: Aluminium — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. This part supersedes original equipment references: 000.730-00A, 002422, 003226, 003870 012100 and 31 more. Matching these numbers confirms a like-for-like replacement with no loss of function. DT Spare Parts 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 (22)
Show all 22 OE numbers
Union Nut DT Spare Parts 9.75041 — compatible car models
| Manufacturer article number (MPN) | 9.75041 |
|---|---|
| OE part numbers | 003870 012100, 003870 012102, 003870 012104, 0124399, 0238007, 06.71030.2114, 124399, 238007, 812896, 814555, 915017 012100, N003870 012100, N003870 012102, N003870 012104, N915017 012100 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
DT Spare Parts 9.75041 . DIN/ISO: DIN 3870. Guarantee: 2. Net Weight [g]: 25 g. Pipe Diameter [mm]: 12 mm. Surface: 14. Thread Size: M18 x 1,5
- 1x Union Nut
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 Union Nut 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 Union Nut fits. All fitment data is verified through TecDoc.
What specifications does this DT Spare Parts Union Nut have?
This DT Spare Parts Union Nut has the following specifications: Pipe Diameter [mm]: 12 mm; Thread Size: M18 x 1,5; DIN/ISO: DIN 3870; Surface: 14; Guarantee: 2; Net Weight [g]: 25 g. Check the full specifications table above for complete details.
What OE part numbers does this Union Nut replace?
This Union Nut replaces OE part numbers: 003870 012100, 003870 012102, 003870 012104, 0124399, 0238007, 06.71030.2114, 124399, 238007 and 7 more. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Union Nut cost?
This DT Spare Parts Union Nut is available for £4.99. Union Nut prices vary depending on brand, specifications, and vehicle compatibility. DT Spare Parts parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Union Nut?
Regular inspection of your Union Nut 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 Union Nut?
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 Union Nut fitted by a professional mechanic.
Can I use this part as a replacement for OE 003870 012100?
Yes, this DT Spare Parts Union Nut is a direct replacement for OE part number 003870 012100. 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 DT Spare Parts 9.75041 the same as the DT Spare Parts 1.10294?
No, while both are Union Nut parts, they are different products. The DT Spare Parts 9.75041 has Pipe Diameter [mm]: 12 mm, Thread Size: M18 x 1,5, DIN/ISO: DIN 3870. The DT Spare Parts 1.10294 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.
