• 21304975 Piston Ring | Genuine Volvo Penta Part
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21304975 Piston Ring | Genuine Volvo Penta Part

21304975 Piston Ring | Genuine Volvo Penta Part

$140.48 AUD
$140.48 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

A matched piston-ring set used on selected Volvo Penta D5, D7 and TAD engines. One set is required for each piston and it replaces earlier ring reference 20405571.

🚤 Compatibility

  • Engine Family: D, TD, TAD, MD

Full model list at the end of this description.

⚙️ Key Features

  • Supersedes 20405571
  • One set required per piston
  • Controls compression, oil consumption and cylinder sealing
  • Engine type: Four- or six-cylinder turbocharged diesel
  • 4 used per assembly

🔌 Function

Seals combustion pressure, controls lubricating oil on the cylinder wall and transfers heat from the piston to the liner.

⚠️ Common Signs of Failure

  • Excessive crankcase blow-by
  • High engine-oil consumption
  • Blue exhaust smoke
  • Scored liner or damaged ring grooves

🛠️ Service Notes

  • Supersedes earlier ring reference 20405571 - confirm current stock matches your engine's parts list before ordering
  • One set is required per piston; four-cylinder engines in this range need four sets in total
  • Check the ring end gap against the actual bore before fitting, and do not fit new rings to a bore outside specification

🔄 Supersession & Cross Reference

OEM Supersession Chain

  • 21304975 → Supersedes 20405571

OEM / Related Numbers

  • 20405571 earlier number superseded by this part
  • 20405577 - piston pin
  • 20405576 - snap ring
  • 20412762 - O-ring
  • 20585982 - connecting rod

Other-Brand OEM Numbers

  • MAHLE 099 RS 00127 0N0
  • GOETZE ENGINE 08-136900-00
  • Kolbenschmidt: 800071210000
  • Kolbenschmidt: 80 00344 1 0 000
  • Goetze Engine: 06-136900-00
  • Goetze Engine: 06-863000-20
  • Goetze Engine: 08-430000-00

Aftermarket / Verified Equivalents

  • DT Spare Parts: 2.94579
  • Freccia: FR10-516600
  • Mec-Diesel: 812410

📦 Condition

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

🔎 Full Model Compatibility

Typically suits:

  • Volvo Penta D7A-B TA, D7A-T, D7A-TA, D7C-B TA, D7C-TA
  • Volvo Penta D5A-B TA, D5A-T, D5A-TA
  • Volvo Penta MD2010, MD2010B
  • Volvo Penta TAD520GE, TAD520VE
  • Volvo Penta TAD530GE MECH, TAD530GE EDC4
  • Volvo Penta TAD531GE MECH, TAD531GE EDC4
  • Volvo Penta TAD720GE, TAD720VE
  • Volvo Penta TAD721GE, TAD721VE
  • Volvo Penta TAD722GE, TAD722VE
  • Volvo Penta TAD730GE MECH, TAD730GE EDC4
  • Volvo Penta TAD731GE MECH, TAD731GE EDC4
  • Volvo Penta TD520GE, TD520VE
  • Volvo Penta TAD532GE EDC4
  • Volvo Penta TAD732GE EDC4
  • Volvo Penta TAD733GE EDC4
  • Volvo Penta TD720GE

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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