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Mercedes 240D Thermostat Reviews
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Shop Mercedes 240D Replacement Thermostat

The thermostat on your Mercedes 240D is a small, inexpensive part, but one that's vital to the proper operation of the vehicle's engine cooling system and the passenger cabin heater. If the thermostat malfunctions it should be replaced immediately, and PartsGeek.com carries a full line of replacements designed to fit Mercedes 240D sedans, covering model years 1974-1983. This includes thermostat units from original equipment parts providers Behr and Calorstat.

The thermostat is a valve made to open at a pre-designated temperature setting once the engine coolant has reached operating temperature. A broken thermostat that cannot open will prevent the engine coolant from traveling to the radiator where it may be cooled. This is a dangerous situation, posing the threat of engine damage through overheating. A thermostat stuck in the open position won't allow the engine to reach proper operating temperature, which will reduce engine and cabin heater performance.

We stock these Thermostat brands for the Mercedes 240D: WahlerHellaBeck ArnleyMahleCalorstatGatesMotoradVR Gaskets

Thermostats available for the following Mercedes 240D years: 1983, 1982, 1981, 1980, 1979, 1978, 1977, 1976, 1975, 1974, 83, 82, 81, 80, 79, 78, 77, 76, 75, 74. This part is also sometimes called Mercedes 240D Thermostats. We stock thermostat parts for most Mercedes models including C230, C300, E350, ML350, C280, E320, GL450, GLK350, R350, 300D, ML320, 190E, S550, C250, CLS550, S500, CLK350, 300E, S600, 450SL, C350, 380SL, 300SD, E300, SL500, ML430, 300TD, E420, ML500, C240, 560SL, E550, S320, 420SEL, SLK230, S420, 300SDL, SLK350, CLK320 and S430.

Select your 240D year

Review Fitment Notes
Showing 18 of 187 Results
Wahler Thermostat - for 1983 Mercedes 240D - W0133-1629073 Click to Enlarge
Website Reviews
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Part Number: W0133-1629073
Brand: Wahler
Notes: Eng: -10-086378
Condition: New
Shipping Options: Ground, Overnight, 2 Day
OEM
List Price:
$44.50
Our Price: $22.58
View Details
This Part Fits:
Catalog: A
Vehicle Engine Range
1983 Mercedes 240D to 10-086378
Wahler Thermostat - for 1982 Mercedes 240D - W0133-1629406 Click to Enlarge
Website Reviews
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Part Number: W0133-1629406
Brand: Wahler
Notes: Eng: 10-086379-
Product Remark: *NLA*08/21
Condition: New
Shipping Options: Ground, Overnight, 2 Day
OEM
List Price:
$38.85
Our Price: $22.58
(4) In Stock
This Part Fits:
Catalog: A
Vehicle Engine Range
1982 Mercedes 240D 10-086379 to
Wahler Thermostat - for 1982 Mercedes 240D - W0133-1629073 Click to Enlarge
Website Reviews
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Part Number: W0133-1629073
Brand: Wahler
Notes: Eng: -10-086378
Condition: New
Shipping Options: Ground, Overnight, 2 Day
OEM
List Price:
$44.50
Our Price: $22.58
View Details
This Part Fits:
Catalog: A
Vehicle Engine Range
1982 Mercedes 240D to 10-086378
Hella Coolant Thermostat Kit - for 1983 Mercedes 240D - TX 20 80D Click to Enlarge
Website Reviews
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Part Number: TX 20 80D
Brand: Hella
Notes: Behr Thermot-Tronik OEM -- OE Quality; 80c with Gasket
Condition: New
Shipping Options: Ground
$15.18
(20) In Stock
This Part Fits:
Catalog: B
Vehicle
1983 Mercedes 240D
Beck Arnley Thermostat - for 1981 Mercedes 240D 2.4L 4 Cyl - 143-0664 Click to Enlarge
5 Stars
Beck Arnley 143-0664
Thermostat
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Part Number: 143-0664
Brand: Beck Arnley
Notes: Engine Coolant Thermostat -- ALTERNATE TEMPERATURE; Gasket/Seal Not Included; TEMPERATURE 176
  • Matches OE form, fit and function
  • Features a long stroke for maximum cooling
  • Constructed with premium materials for durability
  • Be sure to use the proper coolant to maximize cooling system life. See Beck/Arnley catalog for the coolant for this application.
  • Application specific for this vehicle
Condition: New
TEMPERATURE: 176
Shipping Options: Ground
$17.18
(35) In Stock
This Part Fits:
Catalog: B
Vehicle Engine
1981 Mercedes 240D 2.4L 4 Cyl
Mahle Thermostat - for 1983 Mercedes 240D - W0133-1629646 Click to Enlarge
Website Reviews
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Part Number: W0133-1629646
Brand: Mahle
Notes: Eng: 10-086379-
Product Remark: Behr w/Seal
Condition: New
Shipping Options: Ground, Overnight, 2 Day
OEM
List Price:
$34.50
Our Price: $19.58
(48) In Stock
This Part Fits:
Catalog: A
Vehicle Engine Range
1983 Mercedes 240D 10-086379 to
Mahle Thermostat - for 1981 Mercedes 240D - 617 200 18 15 Click to Enlarge
5 Stars
Mahle 617 200 18 15
Thermostat
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Part Number: 617 200 18 15
Brand: Mahle
Notes: Thermostat (80 deg. C) -- from engine # 027799
Condition: New
Shipping Options: Ground
$15.73
(35) In Stock
This Part Fits:
Catalog: G
Vehicle Transmission
1981 Mercedes 240D Automatic
Calorstat Thermostat - for 1976 Mercedes 240D - W0133-1629646 Click to Enlarge
Website Reviews
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Part Number: W0133-1629646
Brand: Calorstat
Product Remark: with seal
Condition: New
Shipping Options: Ground, Overnight, 2 Day
OEM
List Price:
$34.50
Our Price: $18.58
(74) In Stock
This Part Fits:
Catalog: A
Vehicle
1976 Mercedes 240D
Calorstat Thermostat - for 1983 Mercedes 240D - W0133-1629646 Click to Enlarge
Website Reviews
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Part Number: W0133-1629646
Brand: Calorstat
Notes: Eng: 10-086379-
Product Remark: with seal
Condition: New
Shipping Options: Ground, Overnight, 2 Day
OEM
List Price:
$34.50
Our Price: $18.58
(74) In Stock
This Part Fits:
Catalog: A
Vehicle Engine Range
1983 Mercedes 240D 10-086379 to
Calorstat Thermostat - for 1981 Mercedes 240D - W0133-1629646 Click to Enlarge
Website Reviews
Loading Reviews...
Part Number: W0133-1629646
Brand: Calorstat
Notes: Eng: 10-086379-
Product Remark: with seal
Condition: New
Shipping Options: Ground, Overnight, 2 Day
OEM
List Price:
$34.50
Our Price: $18.58
(74) In Stock
This Part Fits:
Catalog: A
Vehicle Engine Range
1981 Mercedes 240D 10-086379 to
Hella Coolant Thermostat Kit - for 1976 Mercedes 240D - TX 20 80D Click to Enlarge
Website Reviews
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Part Number: TX 20 80D
Brand: Hella
Notes: Behr Thermot-Tronik OEM -- OE Quality; 80c with Gasket
Condition: New
Shipping Options: Ground
$15.18
(20) In Stock
This Part Fits:
Catalog: B
Vehicle
1976 Mercedes 240D
Wahler Thermostat - for 1983 Mercedes 240D - W0133-1629406 Click to Enlarge
Website Reviews
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Part Number: W0133-1629406
Brand: Wahler
Notes: Eng: 10-086379-
Product Remark: *NLA*08/21
Condition: New
Shipping Options: Ground, Overnight, 2 Day
OEM
List Price:
$38.85
Our Price: $22.58
(4) In Stock
This Part Fits:
Catalog: A
Vehicle Engine Range
1983 Mercedes 240D 10-086379 to
Wahler Thermostat - for 1975 Mercedes 240D - 616 200 04 15 Click to Enlarge
Website Reviews
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Part Number: 616 200 04 15
Brand: Wahler
Notes: Thermostat (80 deg. C)
Condition: New
Shipping Options: Ground
$24.73
(2) In Stock
This Part Fits:
Catalog: G
Vehicle
1975 Mercedes 240D
Wahler Thermostat - for 1982 Mercedes 240D - 616 200 04 15 Click to Enlarge
Website Reviews
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Part Number: 616 200 04 15
Brand: Wahler
Notes: Thermostat (80 deg. C) -- thru engine # 027798
Condition: New
Shipping Options: Ground
$24.73
(2) In Stock
This Part Fits:
Catalog: G
Vehicle Transmission
1982 Mercedes 240D Automatic
Wahler Thermostat - for 1977 Mercedes 240D - W0133-1629073 Click to Enlarge
Website Reviews
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Part Number: W0133-1629073
Brand: Wahler
Notes: Eng: -10-086378
Condition: New
Shipping Options: Ground, Overnight, 2 Day
OEM
List Price:
$44.50
Our Price: $22.58
View Details
This Part Fits:
Catalog: A
Vehicle Engine Range
1977 Mercedes 240D to 10-086378
Gates Thermostat - for 1983 Mercedes 240D 2.4L 4 Cyl DIESEL - 33518 Click to Enlarge
Website Reviews
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Part Number: 33518
Brand: Gates
Notes: OE Type Thermostat -- 176 Degree; OE Temperature
Condition: New
Design: Bottom By-Pass
Shipping Options: Ground
$26.83
(2) In Stock
This Part Fits:
Catalog: H
Vehicle Engine
1983 Mercedes 240D 2.4L 4 Cyl DIESEL
Motorad Thermostat - for 1975 Mercedes 240D 2.4L 4 Cyl - 247-180 Click to Enlarge
Website Reviews
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Part Number: 247-180
Brand: Motorad
Notes: Standard -- Temperature 180F; OE Specified Temperature
  • Consistent and precise response to cooling system needs
  • Original equipment design for worry-free direct fit replacement
  • High grade stainless steel and copper construction
  • Meets or exceeds OEM standards
  • 100% tested and calibrated
Condition: New
Temperature (Degree): 180
Shipping Options: Ground
$12.73
(5) In Stock
This Part Fits:
Catalog: C
Vehicle Engine
1975 Mercedes 240D 2.4L 4 Cyl
VR Gaskets Thermostat - for 1983 Mercedes 240D 2.4L 4 Cyl - TX 20 80D Click to Enlarge
Website Reviews
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Part Number: TX 20 80D
Brand: VR Gaskets
Notes: OEM -- Start to Open Temperature 80 C; Gasket or Seal Included
Condition: New
Shipping Options: Ground
$15.73
(2) In Stock
This Part Fits:
Catalog: T
Vehicle Engine
1983 Mercedes 240D 2.4L 4 Cyl

Related Cooling System Parts

Mercedes 240D Thermostat Reviews
5 of 5
Verified Customer
9/23/14 02:31 PM - USA

Received the new thermostat the next day - and bas back on the road again after 300,000 ML - 240D Mercedes Thermostat

- 1981 Mercedes 240D Thermostat