MasterTech
Marine

Overton's
For everything else boating related.

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"Where-'n-'Ell"
to get great parts for your outboard?

Right Here!

 

Here's My Racin "C" Service!

1932 Speed Twin

 

Meet the MasterTech!

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.

Baloney!!

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GEARCASES

Concerned about your gearcase or water pump? Try our gearcase tips page.

V4 MODEL OUTBOARD AND SEA DRIVE MOTORS

Gearcases For 2 & 3 Cylinder And For V6 Models.

warning symbolNOTE!! You MUST PROVIDE THE MODEL NUMBER when ordering. I cannot send you the correct parts otherwise!

Please take the time to enter the model number of your motor!
It will be stored in the shopping cart and sent in with your order. Thanks!

Model #

Length of Driveshaft and Shift Rod Desired

First On line purchase?

New and rebuilt units carry a 1 (one) year warranty. This is a supplier warranty. Most units have core value (INCLUDED IN PRICE). Return shipping for cores is prepaid, if you have a repairable unit.
MasterTech will remit the core credit after evaluation by the rebuilder.
Core credit may vary depending on condition of core.

Rebuilt and new gearcases are subject to availability.
1992 and newer models have a 2-piece driveshaft and DO NOT come with water pumps.
Order water pumps separately if you need them.

ABOUT V-4 GEARCASE SIZES:
THERE ARE SMALL AND LARGE GEARCASES FOR VARIOUS YEARS AND MODELS. THE IMAGES BELOW SHOW YOU HOW TO TELL WHICH ONE YOU HAVE:

   

GEARCASES V4 MODELS
DESCRIPTION CORE CREDIT
up to:
PRICE PURCHASE
Johnson/Evinrude NEW Lower Unit
140 HP 4-CYL  4 STROKE     2001-03
NO CORE
REQUIRED
OM-G4-01-N
$1,806
Johnson/Evinrude REBUILT Lower Unit
85-140 HP, 1.6L Sea Drive   1978-91
20" Shaft Small Gearcase (3-5/8" HUB)
NO CORE
REQUIRED
OM-G4-02-R
$1,806
Johnson/Evinrude REBUILT Lower Unit
with NEW Housing
85-140 HP, 1.6L Sea Drive   1978-91
20" Shaft Small Gearcase (3-5/8" HUB)
NO CORE
REQUIRED
OM-G4-02-NHR
$1,926
Johnson/Evinrude REBUILT Lower Unit
85-140 HP, 1.6L Sea Drive   1978-91
25" Shaft Small Gearcase (3-5/8" HUB)
NO CORE
REQUIRED
OM-G4-03-R
$1,806
Johnson/Evinrude REBUILT Lower Unit
with NEW Housing
85-140 HP, 1.6L Sea Drive   1978-91
25" Shaft Small Gearcase (3-5/8" HUB)
NO CORE
REQUIRED
OM-G4-03-NHR
$1,926
Johnson/Evinrude REBUILT Lower Unit
85-140 HP 1992-98*   
Small Gearcase (3-5/8" HUB)
$250 OM-G4-04-R
$1,926
Johnson/Evinrude REBUILT Lower Unit
with NEW Housing
85-140 HP 1992-98*   Small Gearcase (3-5/8" HUB)
$250 OM-G4-04-NHR
$1,996
Johnson/Evinrude REBUILT Lower Unit
75-115 HP 60°  Small Gearcase (3-5/8" HUB)  1995-06*
$250 OM-G4-05-R
$1,926
Johnson/Evinrude NEW Lower Unit
75-115 HP 60°  Small Gearcase (3-5/8" HUB) 1995-06*
$250 OM-G4-05-N
$2,094
OMC REBUILT Lower Unit
115 HP   E-TEC     2004-06*
$250 OM-G4-08-R
$1,926
OMC NEW Lower Unit
115 HP   E-TEC     2004-06*
$250 OM-G4-08-N
$2,094
DESCRIPTION CORE CREDIT
up to:
PRICE PURCHASE
Johnson/Evinrude REBUILT Lower
with NEW Housing
90-115 HP 1995-07*   Large Gearcase 25"
$250 OM-G4-06-NHR
$2,052
Johnson/Evinrude REBUILT Lower
with NEW Housing
130 HP 1995-01*   Large Gearcase 20 & 25 "
$250 OM-G4-06-NHR
$2,052
Johnson/Evinrude REBUILT Lower
with NEW Housing
120, 140 HP 1992-94*   Large Gearcase 25"
$250 OM-G4-06-NHR
$2,052
Johnson/Evinrude NEW Lower
90-115 HP 1995-07*   Large Gearcase 25"
$250 OM-G4-06-N
$2,232
Johnson/Evinrude NEW Lower
with NEW Housing
130 HP 1995-01*   Large Gearcase 20 & 25 "
$250 OM-G4-06-N
$2,232
Johnson/Evinrude NEW Lower
with NEW Housing
120, 140 HP 1992-94*   Large Gearcase 25"
$250 OM-G4-06-N
$2,232
* 1992 and newer gearcases have a  2-piece driveshaft. If you need an UPPER SHAFT and/or WATER PUMP also, please order them separately.
DON'T SEE WHAT YOU NEED? JUST ASK.
QUICK QUOTE FORM

Now that you have found what you need, please order it using the shopping cart above, the secure quick order form, or call in your order. Prices include shipping by UPS 3 day within the 48 contiguous United States only. Some bulky and extremely heavy items may incur additional charges. You will be notified beforehand if this is the case. Remember, all orders receive free technical support from the MasterTech!

 
 

Please review our Warranty, Returns & Refunds policies before you place an order.

DISCLAIMER

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.