• 8149186 Thermostat | Genuine Volvo Penta Part
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8149186 Thermostat | Genuine Volvo Penta Part

8149186 Thermostat | Genuine Volvo Penta Part

$198.69 AUD
$198.69 AUD
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In stock — Australian warehouse

Typically reaches our store in 3–5 business days

Availability checked daily with Volvo Penta

✓ Authorised Volvo Penta Dealer · Genuine Volvo Penta parts · Ships Australia-wide

🔧 Product Description

Genuine Volvo Penta 86 degree C thermostat from the Cooling System group, weighing 0.234 kg and listed for 41 applications across the TAD, TD, TWD, TMD, TID and TAMD series. It supersedes part number 1676306.

🚤 Compatibility

  • Engine Family: TAD, TD, TWD, TMD, TID, TAMD

Full model list at the end of this description.

⚙️ Key Features

  • 86 degree C opening temperature
  • 0.234 kg
  • Supersedes 1676306
  • 41 applications across six engine series
  • Quantity varies by assembly, most commonly one

🔌 Function

Opens at its rated temperature to let coolant flow to the cooler, holding the engine at its designed operating temperature.

⚠️ Common Signs of Failure

  • Engine running cold or slow to warm up, with the thermostat stuck open
  • Overheating and coolant loss with the thermostat stuck shut
  • Temperature gauge swinging up and down in normal running
  • Corrosion or scale locking the valve
  • Perished or split rubber seal around the thermostat

🛠️ Service Notes

  • Thermostat 8149182 is the 82 degree C version listed for the D series, so check the rating stamped on the thermostat being removed before ordering
  • Fit a new seal or gasket and check the coolant condition while the housing is open
  • Bleed the cooling system and check the temperature stabilises on a test run

🔄 Supersession & Cross Reference

OEM Supersession Chain

  • 8149186 → Supersedes 1676306 → Supersedes 1544683

OEM / Related Numbers

  • 1676306 earlier number superseded by this part
  • 1544683 earlier number superseded by this part

Other-Brand OEM Numbers

  • Mahle: THD 1 86
  • Wahler: 4619.86
  • Gates: TH51785G1

Aftermarket / Verified Equivalents

  • Febi Bilstein: 11495
  • DT Spare Parts: 2.15071
  • Calorstat by Vernet: CT16953.86

📦 Condition

  • Genuine Volvo Penta part
  • Brand new
  • Supplied in original or equivalent packaging

🔎 Full Model Compatibility

Typically suits:

  • Volvo Penta TAD1030P, TAD1030G, TAD1030GE, TAD1030V, TAD1030VE
  • Volvo Penta TAMD162A, TAMD162B, TAMD162C, TAMD162C-B
  • Volvo Penta TID162AG, TID162AGP, TID162AP, TID162APB
  • Volvo Penta TAD1630G, TAD1630GE, TAD1630P
  • Volvo Penta TD121G-87, TD121GP, TD121GPB
  • Volvo Penta TWD1210G, TWD1210P, TWD1210PB
  • Volvo Penta TAD1031G, TAD1031GE
  • Volvo Penta TAD1631GE, TAD1631G
  • Volvo Penta TAMD122A, TAMD122A/C
  • Volvo Penta TWD1211P, TWD1211G
  • Volvo Penta TAD1032GE
  • Volvo Penta TAD1230G
  • Volvo Penta TAD1231GE
  • Volvo Penta TAD1232GE
  • Volvo Penta TD100G
  • Volvo Penta TD1030VE
  • Volvo Penta TD1210G
  • Volvo Penta TMD122A
  • Volvo Penta TWD1030ME
  • Volvo Penta TWD1031VE
  • Volvo Penta TWD1230ME

Shipping & Delivery

Flat-rate shipping Australia-wide — $14.99 per order, no matter how many parts you add. Orders dispatch from our Kadina, South Australia store. Need it urgently or want to collect in person? Call us on 0412 532 984 before ordering.

Returns & Warranty

14-day change-of-mind returns — if it's not right or you ordered the wrong part, send it back within 14 days in new, unused condition for a refund or exchange. Manufacturer warranties apply to new parts. Full details in our Refunds & Returns policy.

Not sure this fits?

Ask us before you buy — we check part numbers and fitment every day. Call 0412 532 984 (Mon–Fri 8.30am–4.30pm) or message us through the contact page with your engine or vehicle details.

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