Mercury – Exhaust Riser Kit | MerCruiser Exhaust System | Cast Iron Component | 93320A13

Overview

Anyone who’s spent time behind the helm of a MerCruiser-powered boat knows how important a healthy exhaust system is. It’s not something you think about often—until it stops working as it should. The Quicksilver 93320A13 Exhaust Riser Kit brings back that quiet confidence you want every time you turn the key. Whether you’re easing a tow-sports boat onto plane or cruising a deep-V offshore hull through a long swell, there’s comfort in knowing your exhaust path is clear, cool, and exactly where the engine needs it to be.

Key Features

• Provides a 3-inch rise for proper exhaust routing and water separation
• Designed for select MerCruiser V6 and V8 sterndrive and inboard engines
• Manufactured to Mercury Marine OEM specifications
• Compatible with engines using cast iron 2-piece manifolds and elbows
• Ensures correct exhaust height for smooth engine performance

Engine & Boat Compatibility

This exhaust riser kit fits a wide range of popular MerCruiser engines, including:

• V6 TBI sterndrive engines (serial 0M614999 and below)
• V8 sterndrive and inboard tow-sports engines
  • 305 CID
  • 350 CID
  • 377 CID
  • 454 CID
  • 502 CID
  • (serial 0M299999 and below)
• V8 carbureted sterndrive engines (305 and 350 CID, serial 0M300000–0M599999)
• Inboard and tow-sports carbureted engines (serial 0M300000–0M316999)

Ideal for:

• Family runabouts
• Tow-sports inboards
• Classic cruisers
• Heavy-duty workboats

Performance & Practical Benefits

The right exhaust riser height might look like a small detail, but on the water it’s the difference between an engine that runs smooth and one constantly flirting with backflow issues. With the Quicksilver 93320A13 installed, you can expect:

• A steady, protected exhaust path that reduces the risk of water intrusion
• Improved engine breathing, especially during acceleration and hard turns
• A tight, reliable fit that supports overall exhaust system longevity
• Consistent operating temperature, thanks to correct water routing
• Reduced vibration and a quieter exhaust note

This kit doesn’t just keep your exhaust system aligned—it preserves the heart of your engine by making sure water stays exactly where it’s supposed to be.

Why Buy OEM

When it comes to risers and manifolds, shortcuts cost money. OEM parts, on the other hand, buy you years of trouble-free boating.

• Built to exact MerCruiser dimensions—no guessing, no gaps
• Materials engineered for the heat cycles and moisture marine engines face
• Matches your original exhaust geometry for predictable performance
• Longer-lasting and more reliable than generic aftermarket pieces
• Helps protect your engine from catastrophic water ingestion

Ask any seasoned mechanic: exhaust parts are not where you gamble.

FAQ

Q1: Which engines does this exhaust riser kit fit?

It fits select MerCruiser V6 and V8 sterndrive and inboard engines, including popular 305, 350, 377, 454, and 502 CID models.

Q2: What makes this riser different from aftermarket versions?

OEM engineering ensures exact alignment, proper rise height, better corrosion resistance, and tighter sealing.

Q3: How do I verify it’s the right part?

Match your engine’s serial number with your service manual or the compatibility ranges listed above.

Q4: Can this be used in saltwater?

Yes. With proper maintenance, the OEM materials are built to handle both freshwater and saltwater environments.

Q5: Is installation straightforward?

Most boaters with experience servicing manifolds and risers find it manageable with standard tools and a manual.