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Details
| Specification | Value |
|---|---|
| Brand | JAPKO |
| Pressure [bar] | 1.2 bar |
OE/OEM numbers (6)
Search by this OE number to find compatible parts
- VAG—171121321D
- VAG—377121321A
- VAG—443121131
- VAG / VW—443121321
- VW—443121321A
- VAG—547121321
Where this part fits
Original-fit position for OE 443121321. The red ring marks where this part installs on the vehicle.
About this product
Sourced from JAPKO, this cap radiator (33004) combines precision engineering with durable materials to meet the demands of everyday driving and extended service intervals. Technical specifications — Pressure [bar]: Steel, Aluminium bar — are verified against the OEM data sheet to guarantee fitment accuracy and performance parity with the original equipment. Verified to fit AUDI, BMW, CHEVROLET, CITROËN and 16 other makes 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: 02269, 03574, 07.40.034, 100 121 0042 and 25 more. Matching these numbers confirms a like-for-like replacement with no loss of function. JAPKO 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 (23)
Show all 23 OE numbers
Cap Radiator JAPKO 33004 — compatible car models
| Car models | AUDI: 100 C1 Coupe (817), 100 C1 Saloon (801, 803, 805, 807, 811, 813, F104), 100 C2 Avant (435, 436), 100 C2 Saloon (431, 433, 434), 100 C3 Avant (445, 446), 100 C3 Saloon (443, 444), 100 C4 Avant (4A5), 100 C4 Saloon (4A2), 200 C2 Saloon (437, 438), 200 C3 Avant (447, 448) (+20 more) |
|---|---|
| Engines | 1.9; 1.6; 1.8; 2.0 E; 2.0; 2.1 5E; 2.1 Turbo quattro; 0.8; 1.5; 1.3; 1.4; 1.6 E; 1.6 TD; 2.4; 2.5 TDI (+1 more) |
| Year of manufacture | 1968-2010 |
| Manufacturer article number (MPN) | 33004 |
| OE part numbers | 171121321D, 377121321A, 443121131, 443121321, 443121321A, 547121321 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
JAPKO 33004 . Pressure [bar]: 1,2 bar
- 1x Cap Radiator
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 Cap Radiator compatible with my car?
This Cap Radiator fits AUDI, BMW, CHEVROLET, CITROËN, DAEWOO and 15 more 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 JAPKO Cap Radiator have?
This JAPKO Cap Radiator has the following specifications: Pressure [bar]: 1,2 bar. Check the full specifications table above for complete details.
What OE part numbers does this Cap Radiator replace?
This Cap Radiator replaces OE part numbers: 171121321D, 377121321A, 443121131, 443121321, 443121321A, 547121321. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Cap Radiator cost?
Cap Radiator prices vary depending on brand, specifications, and vehicle compatibility. Check the current price above for this JAPKO Cap Radiator. All parts come with our 14-day money-back guarantee.
How do I know when to replace my Cap Radiator?
Regular inspection of your Cap 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 Cap 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 Cap Radiator fitted by a professional mechanic.
Can I use this part as a replacement for OE 171121321D?
Yes, this JAPKO Cap Radiator is a direct replacement for OE part number 171121321D. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
