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946420 Lock Nut | Genuine Volvo Penta Part

946420 Lock Nut | Genuine Volvo Penta Part

$5.13 AUD
$5.13 AUD
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🔧 Product Description

Genuine Volvo Penta lock nut weighing 0.007 kg and listed for 48 applications across the MB, TAD, AQ, TWD, TD and BB series. It supersedes 3853134, 835368 and 950354, at least two of which were catalogued earlier simply as nuts.

🚤 Compatibility

  • Engine Family: MB, TAD, AQ, TWD, TD, BB, DP, SP, MS, S, D

Full model list at the end of this description.

⚙️ Key Features

  • 0.007 kg
  • Supersedes 3853134, 835368 and 950354
  • 48 applications across MB, TAD, AQ, TWD, TD and BB series engines
  • Quantity varies by assembly, most commonly five

🔌 Function

Locks onto a stud or screw and resists loosening under vibration.

⚠️ Common Signs of Failure

  • Nut running freely down the thread — the locking action is spent
  • Fastener found backed out and the joint moving
  • Flats rounded from repeated removal
  • Thread galled or picked up

🛠️ Service Notes

  • Renew rather than reuse once the nut no longer resists turning by hand
  • If an old list calls up 3853134, 835368 or 950354, this is the current number

🔄 Supersession & Cross Reference

OEM Supersession Chain

  • 946420 → Supersedes 3853134

OEM / Related Numbers

  • 835368 earlier number superseded by this part
  • 950354 earlier number superseded by this part
  • 3853134 earlier number superseded by this part

📦 Condition

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

🔎 Full Model Compatibility

Typically suits:

  • Volvo Penta 740B, 500A, 501A, 501B, 570A, 572A, 740A, 430A, 430B, 431A, 431B, 432A, 434A, 570, 500B, 571A, 430
  • Volvo Penta DP-C, DP-C1, DP-D, DP-D1, DP-A, DP-A2
  • Volvo Penta TAD1030P, TAD1030G, TAD1030GE, TAD1030V
  • Volvo Penta SP-C, SP-A2, SP-C1
  • Volvo Penta TAD1031G, TAD1031GE
  • Volvo Penta AQ211A
  • Volvo Penta AQ231A
  • Volvo Penta AQ271C
  • Volvo Penta AQ311B
  • Volvo Penta BB231A
  • Volvo Penta BB261A
  • Volvo Penta BB740A
  • Volvo Penta D42A
  • Volvo Penta MB10A
  • Volvo Penta MS4B
  • Volvo Penta Shield for 740A
  • Volvo Penta TAD1032GE
  • Volvo Penta TD100G
  • Volvo Penta TD1030VE
  • Volvo Penta TWD1030ME
  • Volvo Penta TWD1031VE
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