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Details
| Specification | Value |
|---|---|
| Brand | AJUSA |
| Thickness [mm] | 0.9 mm |
| Length [mm] | 104 mm |
| Width [mm] | 51 mm |
OE/OEM numbers (1)
Search by this OE number to find compatible parts
- SUBARU—21896AA010
About this product
The AJUSA Gasket Heat Exchanger (01123800) is a professional-grade replacement component engineered for long service life and reliable operation across all conditions your vehicle encounters. The part is built to the following specification: Thickness [mm]: 0, Stainless Steel mm, Length [mm]: 104 mm, Width [mm]: 51 mm. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Verified to fit SUBARU 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: 21896AA010. Matching these numbers confirms a like-for-like replacement with no loss of function. AJUSA 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
No equivalent parts found.
Gasket Heat Exchanger AJUSA 01123800 — compatible car models
| Car models | SUBARU: IMPREZA Estate (GG), IMPREZA Hatchback (GR, GH, G3), IMPREZA Saloon (GD), IMPREZA Saloon (GE, GV), WRX Hatchback (GP), WRX Saloon (GJ) |
|---|---|
| Engines | 2.0 WRX Turbo AWD (GGA); 2.5 AWD; 2.0 AWD (GDA); STi 2.5 AWD |
| Year of manufacture | 1999-2014 |
| Manufacturer article number (MPN) | 01123800 |
| OE part numbers | 21896AA010 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
AJUSA 01123800 . Length [mm]: 104 mm. Thickness [mm]: 0,9 mm. Width [mm]: 51 mm
- 1x Gasket Heat Exchanger
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 Gasket Heat Exchanger compatible with my car?
This Gasket Heat Exchanger fits SUBARU 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 AJUSA Gasket Heat Exchanger have?
This AJUSA Gasket Heat Exchanger has the following specifications: Thickness [mm]: 0,9 mm; Length [mm]: 104 mm; Width [mm]: 51 mm. Check the full specifications table above for complete details.
What OE part numbers does this Gasket Heat Exchanger replace?
This Gasket Heat Exchanger replaces OE part numbers: 21896AA010. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Gasket Heat Exchanger cost?
Gasket Heat Exchanger prices vary depending on brand, specifications, and vehicle compatibility. Check the current price above for this AJUSA Gasket Heat Exchanger. All parts come with our 14-day money-back guarantee.
How do I know when to replace my Gasket Heat Exchanger?
Regular inspection of your Gasket Heat Exchanger 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 Gasket Heat Exchanger?
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 Gasket Heat Exchanger fitted by a professional mechanic.
Can I use this part as a replacement for OE 21896AA010?
Yes, this AJUSA Gasket Heat Exchanger is a direct replacement for OE part number 21896AA010. 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 AJUSA 01123800 the same as the AJUSA 01738300?
No, while both are Gasket Heat Exchanger parts, they are different products. The AJUSA 01123800 has Thickness [mm]: 0,9 mm, Length [mm]: 104 mm, Width [mm]: 51 mm. The AJUSA 01738300 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.
