DBB009TTEAN 5901655124316Expansion Tank THERMOTEC DBB009TT
coolant expansion tank THERMOTEC DBB009TT. Fits 4 car models (BMW), 2006–2019. Replaces 3 OE numbers.
Your car
Does this fit your car?
£94.99 Save £31.00 (33%)
- Delivery in 4–8 working days.
- Delivery £5.99. Free from £50.00.
- 14-day money-back guarantee
- Earn 63 points on this item
Specification. From the manufacturer's data.
- Brand
- THERMOTEC
- Category
- coolant expansion tank
- MPN
- DBB009TT
- SKU
- 4466-DBB009TT
- GTIN / EAN
- 5901655124316
- What's included
- 1x coolant expansion tank
OE numbers. The originals this part replaces.
Found a number on the old part? Compare it with this list or search by it.
Numbers the vehicle makers and other brands use for this part. Only a confirmed OE number links to its own page; other brands' equivalents are under “Equivalent products”.
- BMW17137552546
- BMW17137647290
- BMW17138621092
Where this part fits
Original-fit position for OE 17138621092. The red ring marks where this part installs on the vehicle.
Compatible cars. BMW, 4 models.
Matched from the manufacturer's data. Production years 2006–2019.
| Model | Engines | Years |
|---|---|---|
| BMW X5 (E70) | 3.0 d | 2006–2013 |
| BMW X5 (F15, F85) | M 50 d | 2013–2018 |
| BMW X6 (E71, E72) | ActiveHybrid | 2007–2015 |
| BMW X6 (F16, F86) | M 50 d | 2014–2019 |
Always verify compatibility with your vehicle before ordering.
coolant expansion tank THERMOTEC DBB009TT — compatible car models
| Car models | BMW: X5 (E70), X5 (F15, F85), X6 (E71, E72), X6 (F16, F86) |
|---|---|
| Engines | 3.0 d; M 50 d; ActiveHybrid |
| Year of manufacture | 2006-2019 |
| Manufacturer article number (MPN) | DBB009TT |
| OE part numbers | 17137552546, 17137647290, 17138621092 |
More about this part. Description, guides and similar parts.
About this product
When coolant expansion tank performance matters, the THERMOTEC DBB009TT delivers — built to the same dimensional and material standards as the original part it replaces. Compatible with BMW 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: 17137552546, 17137647290, 17138621092. Matching these numbers confirms a like-for-like replacement with no loss of function. THERMOTEC 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.
THERMOTEC dbb009tt coolant expansion tank
THERMOTEC
Related categories
Customers also bought
Common OE numbers for this part
Common original equipment numbers linked to stocked alternatives.
Related Guides
Delivery and returns. No small print.
£5.99
Standard delivery
4–8 working days.
£50.00
Free delivery
Orders from £50.00
14 days
Returns
Money back if the part does not fit.
- Visa
- Mastercard
- PayPal
- Apple Pay
- Google Pay
- Klarna
Secure payments
Encrypted checkout
Free UK delivery on orders over £50.00. Tracked standard shipping. Standard delivery: 4–8 business days · Order before 3pm — ships the next working day · Free returns within 14 days · All parts backed by manufacturer warranty 12-month manufacturer warranty on all parts. 14-day money-back guarantee if the part doesn't fit your vehicle. Delivery terms
Questions. And short answers.
Is this coolant expansion tank compatible with my car?
This coolant expansion tank fits BMW 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 THERMOTEC coolant expansion tank have?
The package includes the coolant expansion tank as described in the specifications above. Check the "What's included" section for a full list of components. If mounting hardware or accessories are required, they will be listed separately.
What OE part numbers does this coolant expansion tank replace?
This coolant expansion tank replaces OE part numbers: 17137552546, 17137647290, 17138621092. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a coolant expansion tank cost?
This THERMOTEC coolant expansion tank is available for £63.99. Coolant expansion tank prices vary depending on brand, specifications, and vehicle compatibility. THERMOTEC parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my coolant expansion tank?
Regular inspection of your coolant expansion tank 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 coolant expansion tank?
Tools needed: hose clamp pliers, flat-head screwdriver, 8mm socket, coolant top-up bottle. Difficulty: Easy DIY. Safety warning: Only open the expansion tank cap when the engine is completely cold -- coolant system is under pressure when hot and will spray scalding fluid if opened.
Can I use this part as a replacement for OE 17137552546?
Yes, this THERMOTEC coolant expansion tank is a direct replacement for OE part number 17137552546. It is manufactured to meet or exceed original equipment specifications, ensuring proper fitment and performance. All cross-reference data is verified through TecDoc.
