- Shop with confidence: competitive prices, exclusive deals, and delivery perks.
- Need it quickly? We dispatch fast-moving parts daily. Check delivery options.
- Swap or return items within the standard return period with a simple process.
- Questions about fitment or orders? Our support team is ready to help.
Similar products
Customers also bought
Details
| Specification | Value |
|---|---|
| Brand | DAYCO |
| MPN | dt1040v |
| Opening Temperature [°C] | 82 °C |
| Height 1 [mm] | 44.0 mm |
| Diameter 1 [mm] | 56.0 mm |
| Diameter 2 [mm] | 29.0 mm |
OE numbers (19)
Search by this OE number to find compatible parts
- CITROËN / PEUGEOT—1608167380
- NISSAN—212002W20A
- NISSAN—2120057J15
- VOLVO—30875350
- TOYOTA—9091603075
- TOYOTA—9091603084
- TOYOTA—9091603125
- LEXUS—9091603129
- TOYOTA—9091603136
- TOYOTA—9091603140
- TOYOTA—9091603144
- TOYOTA—9091603145
Where this part fits
Original-fit position for OE MD310106.

About this product
The DAYCO Thermostat Coolant (DT1040V) 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: Opening Temperature [°C]: 82 °C, Height 1 [mm]: 44, 0 mm, Diameter 1 [mm]: 56, 0 mm, Diameter 2 [mm]: 29, 0 mm. Each dimension is checked against the OEM reference to ensure the component seats and functions correctly first time. Verified to fit CITROËN, LEXUS, MITSUBISHI, NISSAN and 4 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: 1608167380, 212002W20A, 2120057J15, 30875350 and 25 more. Matching these numbers confirms a like-for-like replacement with no loss of function. DAYCO 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.
About DAYCO
Dayco, founded in 1905 in Dayton, Ohio, USA, is a global leader in engine belt drive systems and power transmission products. Dayco specialises in timing belts, serpentine belts, tensioners, idler pulleys, and water pumps. As an OE supplier to major manufacturers including Fiat, Ford, General Motors, and Volkswagen, Dayco products meet exact factory specifications. With over a century of belt technology expertise and advanced polymer engineering, Dayco delivers reliable, long-lasting belt drive components trusted by professionals worldwide.
Suitable cars
Equivalent products (11)
Thermostat Coolant DAYCO DT1040V — compatible car models
| Car models | CITROËN: C4 AIRCROSS; LEXUS: ES (V4), ES (V6), ES (Z10, A10, H10), HS (ANF10), IS II (E2), LS (F1), LS (F2), RX (L1), RX (MCU15), RX (U3); MITSUBISHI: CARISMA (DA), CARISMA Saloon (DA), COLT CZC VI Convertible (RG), COLT IV (CAA), COLT V (CJ, CP), COLT VI (Z3A, Z2A), DELICA / SPACE GEAR, ECLIPSE II (D3A), GALANT IX Saloon (DJ, ED, EF), GALANT VII (E5A, E7A, E8A) (+9 more) |
|---|---|
| Engines | 1.8 HDi 150; 3.5 (GSV40, GSV40); 200 (ASV61); 200 (ASZ10); 250h (ANF10); 200d (ALE20, ALE20R); 400 (UCF10); 400 (UCF20, UCF20R); 270 (AGL10, AGL10R); 300 AWD (MCU15); 300 (MCU35, MCU35R); 1.6 (DA1A); 1.5 Turbo (Z37A); 1.6 4WD (CC4A); 1300 GL,GLX (CJ1A) (+13 more) |
| Year of manufacture | 1986-2018 |
| Manufacturer article number (MPN) | DT1040V |
| OE part numbers | 1608167380, 212002W20A, 2120057J15, 30875350, 9091603075, 9091603084, 9091603125, 9091603129, 9091603136, 9091603140, 9091603144, 9091603145, 90916A3002, MD310106, MD315301, MD335170, MD337408, MD338234, MD360320 |
Compatibility check
Loading vehicle data…
Please wait while we load vehicle compatibility information.Description and what's included
DAYCO dt1040v . Diameter 1 [mm]: 56,0 mm. Diameter 2 [mm]: 29,0 mm. Height 1 [mm]: 44,0 mm. Opening Temperature [°C]: 82 °C
- 1x Thermostat Coolant
Shipping, returns, warranty
Free UK delivery on orders over £99.00. Tracked standard shipping.
- Standard delivery: 5–9 business days
- Order before 5pm — ships the next working day
- 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 Thermostat Coolant compatible with my car?
This Thermostat Coolant fits CITROËN, LEXUS, MITSUBISHI, NISSAN, PEUGEOT and 3 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 DAYCO Thermostat Coolant have?
This DAYCO Thermostat Coolant has the following specifications: Opening Temperature [°C]: 82 °C; Height 1 [mm]: 44,0 mm; Diameter 1 [mm]: 56,0 mm; Diameter 2 [mm]: 29,0 mm. Check the full specifications table above for complete details.
What OE part numbers does this Thermostat Coolant replace?
This Thermostat Coolant replaces OE part numbers: 1608167380, 212002W20A, 2120057J15, 30875350, 9091603075, 9091603084, 9091603125, 9091603129 and 11 more. Cross-reference these numbers with your vehicle's original part number to confirm compatibility.
How much does a Thermostat Coolant cost?
This DAYCO Thermostat Coolant is available for £17.99. Thermostat Coolant prices vary depending on brand, specifications, and vehicle compatibility. DAYCO parts offer a balance of quality and value, backed by our 14-day money-back guarantee.
How do I know when to replace my Thermostat Coolant?
Symptoms include engine overheating, heater not producing warm air, temperature gauge fluctuations, or coolant leaks near the thermostat housing.
What tools do I need to replace a Thermostat Coolant?
Tools needed: hose clamp pliers, 8-10mm socket, torque wrench, drain pan, new coolant. Difficulty: Moderate DIY. Safety warning: Never open the cooling system on a warm or hot engine -- coolant is under pressure and causes scalding. Always use the correct coolant specification to avoid corrosion with aluminium engine components.
Can I use this part as a replacement for OE 1608167380?
Yes, this DAYCO Thermostat Coolant is a direct replacement for OE part number 1608167380. 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 DAYCO DT1040V the same as the DAYCO DT1188H?
No, while both are Thermostat Coolant parts, they are different products. The DAYCO DT1040V has Opening Temperature [°C]: 82 °C, Height 1 [mm]: 44,0 mm, Diameter 1 [mm]: 56,0 mm. The DAYCO DT1188H 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.
