Volvo Penta Companion Flange 858467
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Volvo Penta 858467 is a genuine OEM companion flange used in selected Volvo Penta diesel seawater / raw water pump applications. Volvo Penta's official parts shop identifies part number 858467 as Companion Flange, and current parts references consistently place it in the seawater-pump drive side of the cooling system.
Current marine-parts references also describe 858467 as the pump drive coupling cross piece / drive flange used between the seawater pump and the pump drive gear unit on applicable engines. That makes it a critical drive component rather than a simple mounting flange.
Key Features
- Genuine Volvo Penta OEM companion flange
- Part number: 858467
- Common application: seawater / raw water pump drive flange
- Used in selected Volvo Penta diesel cooling-system assemblies
- Current dealer listings show approximate weight around 0.019–0.03 kg depending on source formatting.
Engine Compatibility
Current fitment references connect Volvo Penta 858467 with selected diesel applications including:
AD31, AD41, D41, KAD32, KAD42, KAD43, KAD44, KAD300, KAMD42, KAMD43, KAMD300, MD31, TAMD31, TAMD41, TAMD42, TMD31, TMD41, and some related drive/cooling-system configurations within those families. Exact public compatibility varies by listing, but the strongest overlap is in the AD31/AD41 and KAD/KAMD diesel groups.
Serial Number Fitment Notice
Fitment should always be confirmed by engine serial number before ordering. Volvo Penta's official parts guidance is to identify the exact engine, shield, or drive when selecting replacement parts, and that matters here because this companion flange appears across multiple diesel cooling-system variants.
When This Part Needs Replacement
Replace this companion flange when:
- the seawater pump drive coupling is worn or damaged
- the drive interface shows abnormal play or wear
- pump-service inspection reveals cracking, rounding, or deformation
- the seawater pump is being rebuilt and the drive-side coupling component no longer meets reuse condition
Installation Notes
- Confirm fitment by serial number first.
- Inspect the full seawater-pump drive path during service, including the pump, mating gear unit, seals, and related drive hardware.
- Because this part sits in the drive connection between the pump and gear unit, it is smart to inspect the surrounding pump-wear components at the same time instead of replacing the flange alone when the rest of the drive shows wear.
Replaces / Cross Reference Numbers
- 858467
- Related aftermarket cross references currently shown include Orbitrade 15467 and 18-3175.
Parts Desk Insight
This is the kind of small drive-side part that can get overlooked during pump service, but it matters because it transfers motion into the seawater pump. When the flange or coupling section wears, replacing only the easier external pump parts can leave the real drive issue behind. On these Volvo Penta diesel cooling systems, checking the coupling side at the same time is usually the smarter move.
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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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