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Details
| Specification | Value |
|---|---|
| Brand | DIEDERICHS |
| MPN | dcm1685 |
| Category | Radiator |
| Inlet Ø [mm] | 40 mm |
| Outlet Ø [mm] | 40 mm |
| Core Length [mm] | 610 mm |
| Core Width [mm] | 366 mm |
| Core Depth [mm] | 36 mm |
OE numbers (2)
About this product
DIEDERICHS Radiator (DCM1685) is manufactured to OEM tolerances, ensuring a direct-fit replacement that restores your vehicle to factory specification without any modification. Technical specifications — Material: Steel, Inlet Ø [mm]: 40 mm, Outlet Ø [mm]: 40 mm, Core Length [mm]: 610 mm, Core Width [mm]: 366 mm — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. This part supersedes original equipment references: 0108.2057, 0108.3063, 060730N, 09002108 and 27 more. Matching these numbers confirms a like-for-like replacement with no loss of function. DIEDERICHS 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.
Radiator buying guide
Why replace this part?
The radiator dissipates engine heat by transferring it from coolant to the air. A leaking or clogged radiator causes engine overheating, which can result in catastrophic engine damage including warped heads and blown gaskets.
Signs you need a replacement
- Coolant leaks or puddles under the car
- engine overheating
- discoloured or rusty coolant
- visible corrosion or damage to radiator fins
- steam from under the bonnet
When to replace
Typically lasts 8–10 years. Replace when leaks develop or internal blockages cause overheating. Flush cooling system every 5 years.
Suitable cars
Vehicle matches are curated from manufacturer data
Confirmed fits based on manufacturer data.Equivalent products (30)
Show all 30 OE numbers
Radiator DIEDERICHS DCM1685 — compatible car models
| Manufacturer article number (MPN) | DCM1685 |
|---|---|
| OE part numbers | 1301W8, 1301W9 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
DIEDERICHS dcm1685 DIEDERICHS Climate. Core Depth [mm]: 36 mm. Core Length [mm]: 610 mm. Core Width [mm]: 366 mm. Inlet Ø [mm]: 40 mm. Material: 1. Outlet Ø [mm]: 40 mm
- 1x 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 Radiator 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 Radiator fits. All fitment data is verified through TecDoc.
What specifications does this DIEDERICHS Radiator have?
This DIEDERICHS Radiator has the following specifications: Material: 1; Inlet Ø [mm]: 40 mm; Outlet Ø [mm]: 40 mm; Core Length [mm]: 610 mm; Core Width [mm]: 366 mm; Core Depth [mm]: 36 mm. Check the full specifications table above for complete details.
What OE part numbers does this Radiator replace?
This Radiator replaces OE part numbers: 1301W8, 1301W9. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Radiator cost?
Radiator prices vary depending on brand, specifications, and vehicle compatibility. Check the current price above for this DIEDERICHS Radiator. All parts come with our 14-day money-back guarantee.
How do I know when to replace my Radiator?
Signs of a failing radiator include visible coolant leaks (coloured fluid under the vehicle), engine overheating, coolant level dropping without explanation, or discolouration and corrosion on the radiator fins.
What tools do I need to replace a Radiator?
Tools needed: coolant drain pan, hose clamp pliers, flat-head screwdriver, 8-10mm socket, new coolant (correct type and mix ratio), funnel. Difficulty: Moderate DIY. Safety warning: Never open the radiator cap or coolant expansion tank on a hot engine -- pressurised coolant causes severe burns. Dispose of old antifreeze responsibly as it is toxic to animals.
Can I use this part as a replacement for OE 1301W8?
Yes, this DIEDERICHS Radiator is a direct replacement for OE part number 1301W8. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
Related categories
Common OE numbers for this part
Common original equipment numbers linked to stocked alternatives.
