• 866840 Pressure Sensor | Genuine Volvo Penta Part
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866840 Pressure Sensor | Genuine Volvo Penta Part

866840 Pressure Sensor | Genuine Volvo Penta Part

$461.52 AUD
$461.52 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 0 to 30 bar pressure sensor from the Instruments group, weighing 0.15 kg and listed for 20 applications across TAMD and TMD series engines. It supersedes 837781, catalogued earlier as an oil pressure sensor. Sensor 866839 is the other 0 to 30 bar unit listed here and replaced a reverse-gear pressure sensor number, so check which circuit your gauge is reading.

🚤 Compatibility

Typically suits:

  • Volvo Penta TAMD61A
  • Volvo Penta TAMD62A
  • Volvo Penta TMD100C
  • Volvo Penta TMD102A
  • Volvo Penta TMD121C
  • Volvo Penta TMD122A
  • Volvo Penta TAMD71B
  • Volvo Penta TAMD72A
  • Volvo Penta TAMD72WJ-A
  • Volvo Penta TAMD71A
  • Volvo Penta TAMD102A
  • Volvo Penta TAMD102D
  • Volvo Penta TAMD103A
  • Volvo Penta TAMD121D
  • Volvo Penta TAMD122A
  • Volvo Penta TAMD122A/C
  • Volvo Penta TAMD122D
  • Volvo Penta TAMD162A
  • Volvo Penta TAMD162C
  • Volvo Penta TAMD162C-B
  • Engine Family: TAMD, TMD

⚙️ Key Features

  • 0 to 30 bar range
  • 0.15 kg
  • Listed for 20 applications
  • Supersedes 837781, catalogued earlier as an oil pressure sensor

🔌 Function

Converts oil pressure into an electrical signal for the gauge, over a 0 to 30 bar range.

⚠️ Common Signs of Failure

  • Gauge reading zero, pegged or wandering with pressure confirmed good
  • Oil weeping from the sensor body or its thread
  • Corroded or green terminals at the connector
  • Readings that change when the connector or harness is moved
  • Warning lamp on with no fault found on a mechanical gauge

🛠️ Service Notes

  • Confirm the real pressure with a mechanical gauge before condemning the sensor
  • Two 0 to 30 bar sensors are listed here - establish whether your gauge reads the engine oil or the transmission circuit before ordering

🔄 Supersession & Cross Reference

OEM Supersession Chain

  • 866840 → Supersedes 837781 → Supersedes 864933

OEM / Related Numbers

  • 837781 earlier number superseded by this part
  • 864933 earlier number superseded by this part

📦 Condition

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

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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