3843736 Belt Tensioner | Genuine Volvo Penta Part
3843736 Belt Tensioner | Genuine Volvo Penta Part
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Available from Volvo Penta international
Typically reaches our store in 10–14 business days
Availability checked daily with Volvo Penta
✓ Authorised Volvo Penta Dealer · Genuine Volvo Penta parts · Ships Australia-wide
🔧 Product Description
Genuine Volvo Penta belt tensioner from the Alternator, Charging, Electric Motor, Electric Drives group, weighing 1.497 kg and listed for 1 application on D series engines. It supersedes part number 3812555.
🚤 Compatibility
Typically suits:
- Volvo Penta D9A2A
- Engine Family: D
⚙️ Key Features
- Alternator, Charging, Electric Motor, Electric Drives group
- 1.497 kg
- Supersedes 3812555
- One D series application
🔌 Function
Keeps the charging drive belt at its working tension, absorbing belt stretch so the alternator is driven without slip.
⚠️ Common Signs of Failure
- Belt squeal, particularly on start-up or with heavy charging load
- Charging warning or low output caused by belt slip
- Rumble or grinding from the tensioner pulley bearing
- Tensioner arm bouncing or its stop hammered
- Belt dust and uneven belt wear
🛠️ Service Notes
- Belt tensioner 3843730 at 1.259 kg is the other tensioner in this batch and belongs to the cooling drive, so check which drive you are working on
- Fit a new belt with the tensioner and check pulley alignment
🔄 Supersession & Cross Reference
OEM Supersession Chain
- 3843736 → Supersedes 3812555
OEM / Related Numbers
- 3812555 earlier number superseded by this part
📦 Condition
- Genuine Volvo Penta part
- Brand new
- Supplied in original or equivalent packaging
Shipping & Delivery
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
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?
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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