• 21755108 Rocker Arm Shaft | Genuine Volvo Penta Part
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21755108 Rocker Arm Shaft | Genuine Volvo Penta Part

21755108 Rocker Arm Shaft | Genuine Volvo Penta Part

$1,394.32 AUD
$1,394.32 AUD
Sale Sold out
Shipping calculated at checkout.

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

Hardened rocker-arm shaft supporting the rocker arms and oil passages in a Volvo Penta heavy-duty cylinder head. It maintains valvetrain alignment and supplies lubricating oil to the rocker bearings.

⚙️ Key Features

  • Rocker arm shaft from the Engine group
  • 9.48 kg
  • Supersedes 8170158
  • Recorded against 27 applications across D, TWD and TAD series engines in the cost records

🔌 Function

Supports the rocker arms, maintains their alignment and distributes lubricating oil through the valvetrain.

⚠️ Common Signs of Failure

  • Rocker-arm side play
  • Scoring or wear grooves
  • Low oil supply to rocker arms
  • Valvetrain noise
  • Cracking or blocked oil drillings

🛠️ Service Notes

  • Check the oil drillings are clear and inspect the rocker arm bores for matching wear before reassembly
  • Reset valve clearances once the shaft assembly is torqued down

🔄 Supersession & Cross Reference

OEM Supersession Chain

  • 21755108 → Supersedes 8170158

OEM / Related Numbers

  • 8170158 earlier number superseded by this part

Other-Brand OEM Numbers

  • VOE21755108

Aftermarket / Verified Equivalents

  • Related Volvo-group reference: 8170158

📦 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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