Exhaust Tube for MerCruiser Alpha One & Gen II — 78458A1
Exhaust Tube for MerCruiser Alpha One & Gen II — 78458A1 is backordered and will ship as soon as it is back in stock.
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Exhaust Tube for MerCruiser Alpha One & Gen II — 78458A1 is backordered and will ship as soon as it is back in stock.
GH MARINE / BELLOWS & RELATED PARTS
About this part
This rubber exhaust tube is referenced to MerCruiser 78458A1 (and Sierra 18-2760) for the bell housing exhaust position on compatible MerCruiser sterndrives, and includes a clamp referenced to Sierra 18-7314. It is an exhaust tube rather than a full exhaust bellows, U-joint bellows, or shift cable bellows; verify the required exhaust configuration and full part number including the A1 suffix before ordering.
Match the application
This exhaust tube is listed for the bell housing exhaust position on the MerCruiser sterndrive models below. Match the drive series and verify whether your exhaust setup requires an exhaust tube or a ribbed exhaust bellows before ordering.
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MerCruiser · R, MR, Alpha One, Alpha One Gen II
Year: 1963 and newer
Bell housing exhaust tube application referenced to 78458A1.
Application match
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MerCruiser · Blackhawk
Year: 1963 and newer
Bell housing exhaust tube application referenced to 78458A1.
Application match
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MerCruiser · #1
Bell housing exhaust tube application referenced to 78458A1 and Sierra 18-2760.
Application match
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MerCruiser · Bravo I, Bravo II, Bravo III
Bell housing exhaust tube application referenced to 78458A1 and Sierra 18-2760.
Application match
Numbers to compare
| Mercury Mariner / MerCruiser OEM | 78458A1, 78458A, 78458, 8M0095485 |
|---|---|
| Mercury Mariner / Quicksilver | 78458a 1 |
| Sierra | 18-2760 (exhaust tube), 18-7314 (included clamp reference) |
| GLM | 89150 (exhaust tube), 21951, 21965 |
| SEI Marine | 9A-108-04TK |
| OBR Red Rhino | MR-943 |
| Mallory | 9-72810 |
| CEF | 500520K |
| Related configuration reference | Mercury Mariner / MerCruiser 30-803098T1 (transom seal kit configuration using the exhaust tube) |
| Additional reference numbers | 0508711, 0775482 |
Technical details
| Product type | Exhaust tube bellow |
|---|---|
| Brand | GH Marine |
| Material | Rubber |
| Application position | Bell housing exhaust |
Supplied contents
| Exhaust tube | Included (referenced to MerCruiser 78458A1 / Sierra 18-2760 / GLM 89150) |
|---|---|
| Clamp | Included (referenced to Sierra 18-7314) |
About GH Marine
GH Marine focuses on bellows and related marine service parts. Compare the application details, reference numbers and supplied contents together to select the part for your repair.
Delivery information
Estimated delivery: 7–15 calendar days.
Help with your order
For application questions, have your drive or engine identification and required part number ready.
Payment & Security
Payment methods
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