Crusader Center Riser | OEM Exhaust Riser | Part CR-20-98126
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Crusader Center Riser — OEM Part CR-20-98126
Genuine OEM center riser for Crusader and Pleasurecraft marine gasoline engines. The center riser is a core component of the wet exhaust system, connecting the exhaust manifold to the exhaust elbow and routing exhaust gases away from the engine while water injection keeps the system cool. This is the correct OEM replacement when the center riser shows corrosion, cracking, or coolant contamination.
Part Information
- Part Number: CR-20-98126
- Brand: Crusader / Pleasurecraft Marine Engine Group
- Official Product Type: Center Riser — Wet Exhaust System
- System: Exhaust — Wet Exhaust / Water-Injected Exhaust
Compatible Applications
- Crusader and PCM (Pleasurecraft Marine Engine Group) marine gasoline engines where the parts diagram specifies part number CR-20-98126 for the center riser position
- Confirm fitment by your exact engine model, serial number, and the Crusader/PCM parts diagram before ordering — riser dimensions and configurations vary across engine families and model years
- Cross-reference with the related Crusader Riser 3-1/2" (r029011) to confirm which riser profile your engine requires
Serial Number & Fitment Notice
Always confirm fitment using your engine serial number and the corresponding Crusader or PCM parts diagram. Exhaust riser dimensions, port configurations, and water injection positions vary across engine families and production years. Do not order based on engine displacement alone.
System Overview
In a wet exhaust system, the center riser sits between the exhaust manifold and the exhaust elbow. Raw cooling water is injected into the exhaust stream at or near the riser to cool the exhaust gases before they exit the vessel. The riser must be in good condition to prevent water from back-flowing into the engine — a failed or corroded riser is one of the most common causes of hydrolocking in inboard marine engines.
When to Replace
Replace the center riser when:
- Internal corrosion or pitting is visible on inspection
- Coolant or exhaust leaks are present at the riser joints
- The riser shows cracking, warping, or external corrosion damage
- Water is found in the engine oil or cylinders (possible riser failure allowing water ingestion)
- The riser has reached or exceeded the manufacturer’s recommended service interval
Service Interval
- Inspect annually as part of routine exhaust system service
- Replace at the first sign of internal corrosion, pitting, or leakage — do not defer riser replacement on a corroded unit
- Many marine engine service guidelines recommend riser replacement every 3–5 years in saltwater applications regardless of visible condition
Installation Notes
- Replace the riser gasket whenever the riser is removed — see Crusader Riser Gasket (REC96562)
- Inspect the exhaust manifold mating surface for corrosion or damage before installing the new riser
- Check the exhaust elbow at the same time — if the riser is corroded, the elbow may be as well
- Torque all fasteners to the specification in the Crusader/PCM service manual for your engine
- Pressure-test the cooling system after reassembly
Technical FAQ
What is the difference between a center riser and an exhaust elbow?
The center riser connects the exhaust manifold to the exhaust elbow. The elbow then directs the exhaust out of the vessel. Both are part of the wet exhaust system and should be inspected together. See the Crusader Exhaust Elbow R029016A.
Can I reuse the riser gasket?
No. The riser gasket should always be replaced when the riser is removed. Reusing a compressed or disturbed gasket is a common cause of exhaust leaks after service. See the Crusader Riser Gasket (REC96562).
How do I know if my riser has failed?
Common signs include exhaust leaks at the manifold joint, white smoke from the exhaust, water in the engine oil, or a hydrolock condition. Internal corrosion is not always visible externally — annual inspection is the only reliable way to catch riser deterioration before it causes engine damage.
Parts Desk Insights
Best Use Case: This is the correct OEM center riser for Crusader/PCM engine owners performing exhaust system service or replacing a failed riser. It is particularly important for saltwater-operated vessels where riser corrosion is accelerated — replacing the riser on schedule is one of the most cost-effective ways to prevent catastrophic engine damage from water ingestion.
Common Customer Issue: The most frequent issue is customers replacing only the riser without inspecting the exhaust elbow and manifold at the same time. If the riser has corroded through, the elbow and manifold mating surfaces are often compromised as well. Always inspect the full exhaust system when the riser is removed, and replace the gasket as a matter of course.
Related Products
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 3–4 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
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