• 8M2000433 Mercury MerCruiser Riser Gasket | Genuine Quicksilver OEM Part
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8M2000433 Mercury MerCruiser Riser Gasket | Genuine Quicksilver OEM Part

8M2000433 Mercury MerCruiser Riser Gasket | Genuine Quicksilver OEM Part

$102.85 AUD
$102.85 AUD
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🔧 Product Description

Genuine Quicksilver Turbulator Plate Assembly with Exhaust Gaskets - Part Number: 8M2000433

A genuine Quicksilver turbulator plate and exhaust gasket assembly used between the exhaust manifold and riser / elbow on MerCruiser 8.1L and 8.2L big-block petrol engines. This assembly includes gaskets bonded to either side of the turbulator plate and is used on non-EC MerCruiser sterndrive and inboard applications where specified.

⚙️ Key Features

  • Genuine Quicksilver OEM turbulator plate assembly
  • Correct Mercury part number 8M2000433
  • Includes exhaust gaskets bonded to the plate
  • Fits between exhaust manifold and riser / elbow
  • Used on MerCruiser 8.1L and 8.2L non-EC big-block engines where specified

🚤 Compatibility

Commonly used on

  • MerCruiser 8.1L and 8.2L non-EC sterndrive engines
  • MerCruiser 8.1L and 8.2L non-EC inboard engines
  • MerCruiser 496 MAG and 496 MAG HO exhaust manifold to riser assemblies
  • Big-block MerCruiser exhaust riser service where 8M2000433 is specified

Typically suits

  • Engine models:
  • MerCruiser 496 MAG Bravo 8.1L applications where turbulator plate 8M2000433 is specified
  • MerCruiser 496 MAG HO Bravo 8.1L applications where turbulator plate 8M2000433 is specified
  • MerCruiser 8.1L Horizon inboard applications where 8M2000433 is specified
  • MerCruiser 8.1L Horizon MIE applications where 8M2000433 is specified
  • MerCruiser 8.1L S Horizon MIE applications where 8M2000433 is specified
  • MerCruiser 8.2L MAG applications where 8M2000433 is specified
  • MerCruiser 8.2L MAG HO applications where 8M2000433 is specified
  • MerCruiser 8.2L Horizon applications where 8M2000433 is specified
  • MerCruiser 496 / 8.1L big-block V8 exhaust riser and manifold assemblies using the bonded turbulator plate style
  • MerCruiser non-EC 8.1L / 8.2L engines using the serial-numbered exhaust manifold and elbow diagram that specifies 8M2000433
  • Engine Type: MerCruiser GM big-block V8 petrol engine
  • Engine Range: 8.1L / 496 CID and 8.2L where specified
  • System Type: Exhaust manifold to riser / elbow turbulator gasket assembly
  • Application Note: Intended for non-EC engine applications where the diagram specifies this bonded turbulator plate assembly

🔌 Function

The turbulator plate and gaskets seal the joint between the exhaust manifold and riser while helping control exhaust and cooling-water flow through the riser assembly.

⚠️ Common Signs of Failure

  • Water leakage at riser-to-manifold joint
  • Exhaust leak or ticking noise
  • Rust staining around riser gasket face
  • Internal gasket breakdown during exhaust service
  • Water intrusion risk from failed riser gasket joint
  • Replacement required whenever the riser is removed

🔄 Supersession & Cross Reference

OEM Supersession Chain

  • 8M2000433 current OEM turbulator plate / gasket assembly reference

OEM / Related Numbers

  • 8M2000433
  • Mercury 8M2000433
  • Quicksilver 8M2000433
  • 496 exhaust riser gasket with turbulator
  • 8.1L turbulator gasket assembly
  • 8.2L turbulator gasket assembly
  • Exhaust manifold to riser turbulator plate
  • Big-block V8 riser gasket assembly

Aftermarket / Verified Equivalents

  • Aftermarket 8.1L / 8.2L MerCruiser riser gasket and turbulator equivalents exist where matched directly to 8M2000433
  • Final match should be made by exhaust manifold, riser style and serial-numbered parts diagram

📦 Condition

  • Genuine Quicksilver 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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