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187101 18710002 Mercruiser Oil Cap | Genuine Used Part

187101 18710002 Mercruiser Oil Cap | Genuine Used Part

$40.00 AUD
$40.00 AUD
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Low stock: 2 left

🔧 Product Description

Genuine MerCruiser Threaded Engine-Oil Filler Cap - Part Numbers: 36-187101 / 36-18710002

A genuine used MerCruiser threaded oil-filler cap for GM-based marine engines using the screw-down valve-cover or oil-fill-tube neck. Mercury 36-18710002 is the later service reference replacing 36-187101. The cap seals the engine-oil filling point and limits oil splash and crankcase-vapour leakage.

⚙️ Key Features

  • Genuine Mercury MerCruiser oil-filler cap
  • Current part number 36-18710002
  • Supersedes 36-187101
  • Threaded screw-down design
  • Used on broad GM marine petrol-engine families

🚤 Compatibility

Commonly used on

  • MerCruiser GM V6 and V8 petrol engines
  • Volvo Penta and OMC GM-based engines using the same threaded neck
  • Valve-cover and remote oil-fill-tube installations

Typically suits

  • Selected MerCruiser 4.3L V6
  • MerCruiser 5.0L, 5.7L and 6.2L GM V8 engines
  • 1986-and-later GM marine valve-cover families where 36-18710002 is specified
  • Fits only the correct threaded filler neck
  • Engine Family: GM-based marine petrol engines
  • Cap Type: Threaded screw-down
  • Year Range: Commonly 1986 onward
  • Cross Brand: Volvo Penta 3854008 / Recmar REC6532
  • Fitment Requirement: Match thread diameter, seal and venting design

🔌 Function

The cap closes the oil-filling opening, prevents oil splash and contamination and helps maintain controlled crankcase ventilation.

⚠️ Common Signs of Failure

  • Oil seeping around the cap
  • Hardened or missing seal
  • Damaged threads
  • Cap will not tighten
  • Incorrect vented or non-vented cap fitted

🔄 Supersession & Cross Reference

OEM Supersession Chain

  • 36-18710002 supersedes 36-187101
  • Volvo Penta 3854008 is a related GM-marine oil-cap cross-reference
  • Earlier push-in caps such as 36-17345 use a different neck and are not interchangeable

OEM / Related Numbers

  • 36-18710002
  • 18710002
  • 36-187101
  • 187101
  • Volvo Penta 3854008
  • Recmar REC6532
  • 807688T related MerCruiser oil-fill tube
  • 809995 related rocker cover with oil-fill provision

Aftermarket / Verified Equivalents

  • Recmar REC6532 oil-filler cap
  • Volvo Penta 3854008 genuine cross-brand cap
  • GM marine threaded oil caps with identical neck thread and seal
  • Used genuine MerCruiser caps
  • Generic automotive caps require exact thread, venting and sealing verification

📦 Condition

  • Genuine used part
  • Removed from running engine or vessel where applicable
  • In good working condition unless otherwise stated
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