Volvo Penta Exhaust Riser Adapter 22592604 | OEM | Supersedes 21115767
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Part Details
- Part Number: 22592604
- Supersedes: 21115767 (previous Volvo Penta part number)
- Replaced By: No further supersession — 22592604 is the current active number
- Brand: Volvo Penta (Genuine OEM)
- Official Product Type: Exhaust Riser Adapter
- System: Exhaust — Riser / Elbow Assembly & Cooling-Water Circuit
- Diagram Position: Seats directly at the exhaust riser alongside O-ring 976970 and the adjoining cooling-water hose (22349351)
- Weight (approx.): 0.5 kg / ~1.1 lb
Compatible Applications
Documented fitment for selected Volvo Penta gasoline inboard and sterndrive engines. Always confirm by complete engine model, suffix, serial number, and the applicable exhaust-system parts diagram before ordering.
- Volvo Penta 3.0GXi-J
- Volvo Penta 3.0GXiC-J
- Volvo Penta 5.0GXiCE-J
- Volvo Penta 5.0GXiCE-JF
- Volvo Penta 5.0GXiCE-M
- Selected 8.1GiC gasoline applications
- Selected newer Volvo Penta V6 gasoline exhaust riser configurations
Serial Number & Fitment Notice
Volvo Penta used several different riser, elbow, and cooling-hose configurations across its gasoline engine range. Several similar-looking adapters, hoses, and sealing arrangements exist across these families. The most reliable fitment check is to locate 22592604 directly in the exhaust-system diagram for your specific engine model, suffix, and serial range — positioned beside the riser and O-ring 976970.
Superseded & Alternate Part Numbers
- Current: 22592604
- Previous: 21115767 (superseded by 22592604)
When This Part Needs Replacement
Replace the adapter if any of the following are present:
- Cracks, corrosion, or physical damage on the adapter body
- Damage or distortion at the hose connection point
- Pitting or distortion on the sealing surface where the O-ring seats
- Coolant or raw-water leakage around the fitting
- Damage discovered while servicing the exhaust riser or cooling hose
Note: if leakage is present around the adapter, inspect both the adapter sealing surface and O-ring 976970 — replacing only the O-ring will not solve the problem if the adapter itself is pitted or distorted.
Installation Notes
- Inspect the exhaust riser, cooling-water hose (22349351), and O-ring 976970 whenever this adapter is removed
- Clean the adapter bore and all mating surfaces before reassembly
- Install a fresh O-ring 976970 — do not reuse the old O-ring
- Confirm the adapter seats fully in the riser before reconnecting the cooling hose
- Inspect the adjoining hose for hardening, cracking, or swelling; replace if in doubt
- Tighten all associated clamps and fasteners to the Volvo Penta service specification for your engine
- Do not force the adapter into a corroded or damaged riser opening
Related Parts
- Volvo Penta O-Ring 976970 — sealing O-ring used with this adapter; replace whenever the adapter is disturbed
- Volvo Penta Adapter 21115767 — previous part number, superseded by 22592604
- Browse Exhaust Systems for additional Volvo Penta exhaust and cooling components
- Browse Volvo Penta Marine Engine Parts for the full Volvo Penta catalog
Parts Desk Insights
Best use case: This adapter is the right part when the exhaust riser cooling circuit is leaking at the adapter connection — particularly after the engine has seen significant heat cycling or has been in service for several seasons. It is best addressed as part of a riser service that also replaces the O-ring and inspects the adjoining hose, rather than as a standalone replacement.
Common issue: This adapter is specific to the exhaust riser cooling circuit and is not a general-purpose fitting. Customers sometimes order a visually similar adapter from a different riser configuration and find it does not seal correctly. The most reliable way to confirm the right part is to locate 22592604 by its position in the Volvo Penta exhaust-system diagram for your exact engine model, suffix, and serial number — not by appearance or dimensions alone.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 1-3 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
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