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Details
| Specification | Value |
|---|---|
| Brand | FEBI BILSTEIN |
| Thickness [mm] | 42 mm |
| Length [mm] | 418 mm |
| Width [mm] | 194 mm |
| Weight [kg] | 0,936 kg |
| Core Length [mm] | 370 mm |
| Core Width [mm] | 188 mm |
| Core Depth [mm] | 42 mm |
OE/OEM numbers (1)
Search by this OE number to find compatible parts
- MAN—81.61901.6166
Where this part fits
Original-fit position for OE 81619016166. The red ring marks where this part installs on the vehicle.
About this product
When heat exchanger interior heating performance matters, the FEBI BILSTEIN 100668 delivers — built to the same dimensional and material standards as the original part it replaces. The part is built to the following specification: Thickness [mm]: 42 mm, Length [mm]: 418 mm, Width [mm]: 194 mm, Weight [kg]: 0, 936 kg, Material: Steel. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. This part supersedes original equipment references: 026.079, 05.59.005, 0637.3003, 102408 and 29 more. Matching these numbers confirms a like-for-like replacement with no loss of function. FEBI BILSTEIN 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.
About FEBI BILSTEIN
febi bilstein, founded in 1844 in Ennepetal, Germany, is one of the oldest and most comprehensive automotive parts suppliers in the independent aftermarket. febi bilstein offers over 40,000 parts spanning steering, suspension, engine, braking, cooling, and electrical systems. Certified to IATF 16949 and supplying OE-quality components, febi bilstein products undergo rigorous testing to match original equipment performance. With nearly 180 years of German engineering tradition, febi bilstein is the go-to brand for reliable, competitively priced replacement parts.
Suitable cars
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Verifying part compatibility — check back shortly.Equivalent products (32)
Show all 32 OE numbers
Heat Exchanger Interior Heating FEBI BILSTEIN 100668 — compatible car models
| Manufacturer article number (MPN) | 100668 |
|---|---|
| OE part numbers | 81.61901.6166 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
FEBI BILSTEIN 100668 . Core Depth [mm]: 42 mm. Core Length [mm]: 370 mm. Core Width [mm]: 188 mm. Length [mm]: 418 mm. Material: 1. Supplementary Article/Supplementary Info: 35. Thickness [mm]: 42 mm. Weight [kg]: 0,936 kg
- 1x Heat Exchanger Interior Heating
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 Heat Exchanger Interior Heating 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 Heat Exchanger Interior Heating fits. All fitment data is verified through TecDoc.
What specifications does this FEBI BILSTEIN Heat Exchanger Interior Heating have?
This FEBI BILSTEIN Heat Exchanger Interior Heating has the following specifications: Thickness [mm]: 42 mm; Length [mm]: 418 mm; Width [mm]: 194 mm; Weight [kg]: 0,936 kg; Material: 1; Supplementary Article/Supplementary Info: 35. Check the full specifications table above for complete details.
What OE part numbers does this Heat Exchanger Interior Heating replace?
This Heat Exchanger Interior Heating replaces OE part numbers: 81.61901.6166. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Heat Exchanger Interior Heating cost?
This FEBI BILSTEIN Heat Exchanger Interior Heating is available for £49.99. Heat Exchanger Interior Heating prices vary depending on brand, specifications, and vehicle compatibility. FEBI BILSTEIN parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Heat Exchanger Interior Heating?
Regular inspection of your Heat Exchanger Interior Heating 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 Heat Exchanger Interior Heating?
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 Heat Exchanger Interior Heating fitted by a professional mechanic.
Can I use this part as a replacement for OE 81.61901.6166?
Yes, this FEBI BILSTEIN Heat Exchanger Interior Heating is a direct replacement for OE part number 81.61901.6166. 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 FEBI BILSTEIN 100668 the same as the FEBI BILSTEIN 108187?
No, while both are Heat Exchanger Interior Heating parts, they are different products. The FEBI BILSTEIN 100668 has Thickness [mm]: 42 mm, Length [mm]: 418 mm, Width [mm]: 194 mm. The FEBI BILSTEIN 108187 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.
Related categories
Common OE numbers for this part
Common original equipment numbers linked to stocked alternatives.
