MASTERTECH'S
MARINE ENGINE PARTS CENTER
WE HAVE ANSWERS TO YOUR PARTS PROBLEMS !
Please note, we are parts suppliers only; we don't
do repair work
Thermostats & Poppet Kits
Mercury & U.S. Mariner
Thermostats & Kits |
| Model |
Serial
Block |
T-stat
Only |
T-stat
Kit |
Most 2-cyl
6 - 25 HP |
-- |
18-3549 |
13121 |
Many 25 - 50 HP
4-Stroke |
T-stat in Upper Left of Exhaust Cover |
None, use Kit → |
855676A1 |
25 HP
4-Stroke |
0R106999 & UP |
None |
855676002KIT |
30 & 40
2-Cylinder |
0G053314 & UP |
18-3549 |
13201
with Poppet |
40 HP
3-Cylinder |
0G531301 & UP |
13140 |
13141
with Cover
13140KIT
no Cover |
50 HP
3-Cylinder |
0D000750-
0D181999 |
18-3549 |
14586A4
incl. Poppet |
50 & 60
3-Cylinder |
0D182000-
0G589999 |
18-3549 |
14586A4
incl. Poppet |
50, 55, 60 HP
3-Cylinder |
0G590000 & UP |
13140 |
13141
with Cover
13140KIT
no Cover |
55 & 60
3-Cylinder |
0D000750-
0D181999 |
18-3549 |
14586A4
incl. Poppet |
55 & 60
3-Cylinder |
0D182000-
0G589999 |
18-3549 |
14586A6
incl. Poppet |
75-115 HP
3-Cylinder Carbureted ONLY |
ALL |
18-3549 |
8032CARB |
75-125,
80 JET
(1.5L 3-cyl DFI ) |
ALL |
403S |
MTM_1.5DFI |
COMPLETE KIT --- Thermostat & Poppet
884389PK |
100 - 125 HP
4 Cylinder |
ALL |
18-3549 |
MTM8032 |
| COMPLETE KIT --- Use MTM8032 above and Poppet Kit MTM8031 |
MOST V6 135 HP
& Larger exc. 3.0L |
ALL |
403-I |
MTM-75692T2
2 Stats, 2 Seals
75692T2SS
Stainless Version |
3.0L V6
& EFI & DFI |
0T409000
& UP |
9004 |
9004KIT
No Housings
9004K
With Housings |
Mercury & U.S. Mariner
Poppet Valve Kits |
| Model |
Type |
Poppet Kit |
| 70 - 125 HP |
3 & 4 Cyl. Inline Motors |
MTM8031 |
75 - 115 DFI
80 JET DFI |
3 Cyl. 1.5L DFI
Kit w/Thermostat |
884389PK |
75 - 115 CARB
80 JET DFI |
3 Cyl. 1.5L DFI
Kit w/Thermostat |
8032Carb |
Many V6
1986 & Newer |
New Design, Cover looks like this:
 |
8030 |
Early V6
through 1985 |
Early Design, Single Round Cover looks like this:
 |
MTM86596KIT |
| 3.0L V6 |
ALL |
MTM814189KIT |
We pay the freight out in USA on all orders over $100.00. Orders less than this amount will have a shipping and handling charge of $8.75 added. Some bulky and heavy items will incur additional charges. You will be notified beforehand if this is the case. All orders normally ship via USPS. 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.
Revised: February 19 2020
