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Meet the MasterTech!
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Bill the Master Tech


If your Mfgr. says:

That motor's 7 years old.
Part is no longer available.
We lose $$ on service!
EPA made me do it!
Parts at central warehouse, you'll get them next month.
We don't make parts for those.
We only do warranty work.
Our techs only fix late models.
No clue what's wrong! So we'll work time & material.


the Mastertech!




In Your Cart:
(NOT For King Cobra drives)

OMC introduced the Cobra drive in mid-1985 (although they were marketed as 1986) to replace the old stringer models, which had gear-driven tilt, rather than external hydraulic cylinders like the Cobra. Cobra drives mounted to the transom itself, intead of being mounted directly to the engine and sticking out through a hole in the transom like the stringer drives did. Aside from the hydraulic rams on the Cobra, tho most ovbious difference between the two was a large square rubber seal around the drive at the transom for the stringer drives, and a large visible gear for the tilt on the port side of the stringer's upper case.

COBRA SX models began shipping in the 1994 model year, replacing the original Cobra drive. This was a joint venture between OMC and Volvo Penta. OMC sold their interest in these drives back to Volvo Penta in 1998 when they got out of the stern drive business; Volvo continues to make them. The most obvious difference between most original Cobra drives and the Cobra SX models was that the Cobra SX had a belt-driven seawater pump on the front of the engine; the original Cobras had a shaft-driven water pump inside the upper gearcase. Externally they look very similar.

Exhaust Bellows
Original Cobra thru 1993


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Exhaust Bellows
COBRA SX 1994-up


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U-joint Bellows
All Models Cobra & SX
85127 3854127

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Shift Cable Boot
Original Cobra thru 1993
85826 911826

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Outdrive Mounting Kit
(Discard gasket for use
with Cobra SX)
85105 508105

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Gimbal Bearing
All Models Cobra & SX
64794 $51.00
Transom Service Kit
Original Cobra thru 1993

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Transom Service Kit
COBRA SX 1994-up

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Upper Seal Kit
Original Cobra thru 1993

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Gearcase Seal Kit
4-cyl 1983-90

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Gearcase Seal Kit
V6 & V8 1986-93
4-cyl 1991-93

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"Horseshoe" Anode
Original Cobra thru 1993
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Gearcase Anode
Original Cobra thru 1993
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Please review our Warranty, Returns & Refunds policies before you place an order.


The information provided on these pages is correct to the best of my knowledge, however the MasterTech makes no warranty, express or implied, regarding the use of, results of, or liability created from, application of this data. This information is disseminated in good faith, however MasterTech assumes NO LIABILITY whatsoever in regard to this service. The information, software, products, and services published on this web site may include inaccuracies or typographical errors. Changes are periodically added to the information herein. Mastertech may make improvements to this site at any time. Parts ordered from this website may or may not be in dealer stock at the time of order. Thank you for reading.