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Details
| Specification | Value |
|---|---|
| Brand | ORIGINAL IMPERIUM |
| Fitting Position | Top |
| Length [mm] | 335 mm |
| Inner Diameter [mm] | 32 mm |
| Outer Diameter [mm] | 35 mm |
| Weight [g] | 236 g |
| Inner Diameter 1 [mm] | 33 mm |
| Inner Diameter 2 [mm] | 36 mm |
OE/OEM numbers (1)
Search by this OE number to find compatible parts
- ALFA ROMEO / FIAT / LANCIA—4274326
Where this part fits
Original-fit position for OE 4274326. The red ring marks where this part installs on the vehicle.
About this product
ORIGINAL IMPERIUM Radiator Hose (21850) is manufactured to OEM tolerances, ensuring a direct-fit replacement that restores your vehicle to factory specification without any modification. Technical specifications — for OE number: 4274326, Fitting Position: O, Length [mm]: 335 mm, Inner Diameter [mm]: 32 mm, Outer Diameter [mm]: 35 mm — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Compatible with FIAT vehicles; use the vehicle selector above to confirm exact fitment for your make, model, and engine variant. Fitment data is sourced from TecDoc, the authoritative European parts catalogue. This part supersedes original equipment references: 11313, 3206, 4274326, 4863A and 2 more. Matching these numbers confirms a like-for-like replacement with no loss of function. ORIGINAL IMPERIUM 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 from our UK warehouse with a 30-day money-back guarantee and free hassle-free returns.
Suitable cars
Equivalent products (5)
Radiator Hose ORIGINAL IMPERIUM 21850 — compatible car models
| Car models | FIAT: 128 (128), 128 Coupe (128) |
|---|---|
| Engines | 1.3 (128A); 1.1 (AC 5) |
| Year of manufacture | 1969-1984 |
| Manufacturer article number (MPN) | 21850 |
| OE part numbers | 4274326 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
ORIGINAL IMPERIUM 21850 . Fitting Position: O. for OE number: 4274326. Inner Diameter 1 [mm]: 33 mm. Inner Diameter 2 [mm]: 36 mm. Inner Diameter [mm]: 32 mm. Length [mm]: 335 mm. Outer Diameter [mm]: 35 mm. Weight [g]: 236 g
- 1x Radiator Hose
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Express and standard shipping available.
- Standard delivery: 2-5 business days
- Express delivery: 1-2 business days
- 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 Hose compatible with my car?
This Radiator Hose fits FIAT 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 ORIGINAL IMPERIUM Radiator Hose have?
This ORIGINAL IMPERIUM Radiator Hose has the following specifications: for OE number: 4274326; Fitting Position: O; Length [mm]: 335 mm; Inner Diameter [mm]: 32 mm; Outer Diameter [mm]: 35 mm; Weight [g]: 236 g. Check the full specifications table above for complete details.
What OE part numbers does this Radiator Hose replace?
This Radiator Hose replaces OE part numbers: 4274326. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Radiator Hose cost?
This ORIGINAL IMPERIUM Radiator Hose is available for £12.99. Radiator Hose prices vary depending on brand, specifications, and vehicle compatibility. ORIGINAL IMPERIUM parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Radiator Hose?
Regular inspection of your Radiator Hose 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 Radiator Hose?
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 Radiator Hose fitted by a professional mechanic.
Can I use this part as a replacement for OE 4274326?
Yes, this ORIGINAL IMPERIUM Radiator Hose is a direct replacement for OE part number 4274326. 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.
