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Details
| Specification | Value |
|---|---|
| Brand | 3RG |
| Length [mm] | 24 mm |
| Inner Diameter [mm] | 14.20 mm |
OE numbers (1)
Search by this OE number to find compatible parts
- AUDI / VW—4M0121275A
Where this part fits
Original-fit position for OE 4M0121275A. The red ring marks where this part installs on the vehicle.
About this product
Sourced from 3RG, this mounting radiator (83780) combines precision engineering with durable materials to meet the demands of everyday driving and extended service intervals. Technical specifications — Length [mm]: 24 mm, Inner Diameter [mm]: Nylon, 20 mm — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Verified to fit AUDI, VW models. All compatibility data is cross-checked against the TecDoc database — select your vehicle to confirm the part matches your specific engine and year. This part supersedes original equipment references: 4M0121275A, TED13850. Matching these numbers confirms a like-for-like replacement with no loss of function. 3RG 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
Equivalent products (1)
Mounting Radiator 3RG 83780 — compatible car models
| Car models | AUDI: A4 Allroad B9 (8WH, 8WJ), A4 B9 (8W2, 8WC), A4 B9 Avant (8W5, 8WD), A5 Convertible (F57, F5E), A5 (F53, F5P), A5 Sportback (F5A, F5F), A6 Allroad C8 (4AH), A6 C8 (4A2), A6 C8 Avant (4A5), A7 Sportback (4KA) (+10 more); VW: CRAFTER Bus (SYI, SYJ), CRAFTER Platform/Chassis (SZ), CRAFTER Van (SY, SX), TOUAREG (CR7, RC8) |
|---|---|
| Engines | 2.0 TDI quattro; 1.4 TFSI; 2.0 TDI; 40 TDI Mild Hybrid quattro; 30 TDI Mild Hybrid; 35 TDI Mild Hybrid; 45 TDI quattro; 50 quattro; 3.0 SQ5 TDI Mild Hybrid quattro; 2.0 TFSI e-tron quattro; 3.0 45 TDI Mild Hybrid quattro; 45 TDI Mild Hybrid quattro; 2.0 TDI 4motion; 2.0 TDI 4motion (SZB, SZC, SZH, SZI, SZO, SZP); 2.0 TDI 4motion (SYB, SYC, SYD) (+1 more) |
| Year of manufacture | 2015-2022 |
| Manufacturer article number (MPN) | 83780 |
| OE part numbers | 4M0121275A |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
3RG 83780 . Inner Diameter [mm]: 14,20 mm. Length [mm]: 24 mm
- 1x Mounting Radiator
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Tracked standard shipping.
- Standard delivery: 5–9 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 Mounting Radiator compatible with my car?
This Mounting Radiator fits AUDI, VW vehicles. Use the vehicle selector at the top of the page to check exact compatibility — enter your car's make, model, and engine for a confirmed fitment match. All fitment data is verified through TecDoc.
What specifications does this 3RG Mounting Radiator have?
This 3RG Mounting Radiator has the following specifications: Length [mm]: 24 mm; Inner Diameter [mm]: 14,20 mm. Check the full specifications table above for complete details.
What OE part numbers does this Mounting Radiator replace?
This Mounting Radiator replaces OE part numbers: 4M0121275A. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Mounting Radiator cost?
Mounting Radiator prices vary depending on brand, specifications, and vehicle compatibility. Check the current price above for this 3RG Mounting Radiator. All parts come with our 14-day money-back guarantee.
How do I know when to replace my Mounting Radiator?
Regular inspection of your Mounting Radiator 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 Mounting Radiator?
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 Mounting Radiator fitted by a professional mechanic.
Can I use this part as a replacement for OE 4M0121275A?
Yes, this 3RG Mounting Radiator is a direct replacement for OE part number 4M0121275A. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
