Mariner Upper Main Bearings

Refine Parts List
HP/Liter

(3.4 to 275)

HP/Liter

Cyl.

Beginning S/N

Ending S/N

Sierra Center Main Bearing

Mallory Center Main Bearing

Sierra Lower Main Bearing

Mallory Lower Main Bearing

Sierra Upper Main Bearing

Mallory Upper Main Bearing

3.5 hp1ALL---18-1398 -18-1398 -
3.6 hp1ALL---18-1398 -18-1398 -
3.9 hp1ALL---18-1398 -18-1398 -
4 hp12498136A809600--18-1398 -18-1398 -
4 hp25589202& UP--18-1398 ---
4.5 hp14107220& UP--18-1398 -18-1398 -
6 hp219161392529894--18-1398 -18-1398 -
6 hp2A197112& UP--18-1397 9-75104 --
7.5 hp22529895& UP--18-1398 -18-1398 -
82A197112& UP--18-1397 9-75104 --
9.821865779& UP--18-1398 -18-1398 -
9.92A197112& UP--18-1397 9-75104 --
152B292414& UP--18-1397 9-75104 --
20212929106443972--18-1153 9-75113 18-1153 9-75113
25 (KF 9)437715049576118-4035
out of stock
-----
30 (MK30)4ALL-18-4035
out of stock
-----
3041271885144813918-4035
out of stock
-18-1154 9-51202 18-1154 9-51202
302G053314& UP--18-1154 9-51202 --
30 (jet)4C159200& UP18-4037
out of stock
-18-1154 9-51202 18-1154 9-51202
30 (jet)3G590000& UP--18-1154 9-51202 --
354121722144813918-4035
out of stock
-18-1154 9-51202 18-1154 9-51202
3526445653B110788--18-1154 9-51202 --
35 (MK35)41217222127188418-4035
out of stock
-----
25 (MK40)4711400& UP18-4035
out of stock
-----
40 (MK50)4ALL-18-4035
out of stock
-----
40 (MK55)4831021& UP18-4035
out of stock
-----
4041279685147650918-4035
out of stock
-18-1154 9-51202 18-1154 9-51202
4022874704& UP--18-1154 9-51202 --
404C159200& UP18-4037
out of stock
-18-1154 9-51202 18-1154(1) 9-51202
402G053314& UP--18-1154 9-51202 --
403G531301& UP--18-1154 9-51202 --
4541476510153156818-4035
out of stock
-18-1154 9-51202 18-1154(1) 9-51202
4545531630& UP18-4037
out of stock
-18-1154 9-51202 18-1154(1) 9-51202
45 (jet)-D000750G589999--18-1154 9-51202 --
45 (jet)3G590000& UP--18-1154 9-51202 --
45 (MK58)41139538& UP18-4035
out of stock
-----
5041421113519325818-4035
out of stock
-18-1154 9-51202 18-1154(1) 9-51202
5045193259& UP18-4037
out of stock
-18-1154 9-51202 18-1154 9-51202
5036428681D00074918-4037
out of stock
-----
503D000750G589999--18-1154 9-51202 --
503G590000& UP--18-1154 9-51202 --
553D000750G589999--18-1154 9-51202 --
553G590000& UP--18-1154 9-51202 --
6041303411154274418-4037
out of stock
-18-1154 9-51202 18-1154(1) 9-51202
6036428681D00074918-4037
out of stock
-----
603D000750G589999--18-1154 9-51202 --
603G590000& UP--18-1154 9-51202 --
6541545745329318318-4037
out of stock
-18-1154 9-51202 --
6533293184457165118-4037
out of stock
-----
60 (MK75)6ALL-18-4037
out of stock
-----
65 (jet)-D283222& UP--18-1346 9-51200 --
70 (MK78)61143038& UP18-4037
out of stock
-----
7061296411156623918-4037
out of stock
-18-1154 9-51202 18-1154(1) 9-51202
7034571652642868018-4037
out of stock
-----
703A996142& UP--18-1346 9-51200 --
7546432901& UP18-4037
out of stock
-18-1154 9-51202 --
753C222000& UP--18-1346 9-51200 --
8061335465156623918-4037
out of stock
-18-1154 9-51202 18-1154(1) 9-51202
8042559001643290018-4037
out of stock
-18-1154 9-51202 --
85I-61460999176682318-4037
out of stock
-18-1154 9-51202 --
8543493913483199818-4037
out of stock
-18-1154 9-51202 --
90I-61766824186977518-4037
out of stock
-18-1154 9-51202 --
90I-64845301& UP18-4037
out of stock
-18-1154 9-51202 --
903A996142& UP--18-1346 9-51200 --
95I-61869776231858518-4037
out of stock
-18-1154 9-51202 --
100I-61464949283601818-4037
out of stock
-18-1154 9-51202 --
100I-62641855325311118-4037
out of stock
-18-1154 9-51202 --
1004B209468& UP--18-1346 9-51200 --
105 (jet)V-6D820000& UP--18-1345 9-51204 --
110I-61870204231495518-4037
out of stock
-18-1154 9-51202 --
115I-62836019C09999918-4037
out of stock
-18-1154 9-51202 --
1154C100000& UP--18-1346 9-51200 --
125I-62314956325311118-4037
out of stock
-18-1154 9-51202 --
1254D283222& UP--18-1346 9-51200 --
135I-62839369329323318-4037
out of stock
-18-1154 9-51202 --
135V-6D082000& UP--18-1345 9-51204 --
135 DFIV-6D082000& UP--18-1345 9-51204 --
140I-63293234& UP18-4037
out of stock
-18-1154 9-51202 --
140 (jet)V-6D082000& UP--18-1345 9-51204 --
150I-63502806532766218-4037
out of stock
-18-1154 9-51202 --
150V-64868998A904645--18-1345 9-51204 --
150 DFIV-6D082000& UP--18-1345 9-51204 --
150 XR6V-6D082000& UP--18-1345 9-51204 --
175V-643012356608750--18-1345 9-51204 --
175 EFIV-6D082000& UP--18-1345 9-51204 --
200V-64839034D081999--18-1345 9-51204 --
200V-6D082000& UP--18-1345 9-51204 --
200 EFIV-6D082000& UP--18-1345 9-51204 --
225V-65628028& UP--18-1345 9-51204 --
250V-6C101891& UP18-1347 9-51207 18-1345 9-51204 --
275V-6C101891& UP18-1347 9-51207 18-1345 9-51204 --
3.4LV-65611648& UP18-1347 9-51207 18-1345 9-51204 --

HP/Liter

Cyl.

Beginning S/N

Ending S/N

Sierra Center Main Bearing

Mallory Center Main Bearing

Sierra Lower Main Bearing

Mallory Lower Main Bearing

Sierra Upper Main Bearing

Mallory Upper Main Bearing

Notes:
(1) : 56 required per main bearing
Refine Parts List
HP/Liter

(3.4 to 275)

BlowoutSave 8%-25% Off. NO PROMO CODE NEEDED - Price reflects discount!*
Mercury Upper Main Bearings

Ball Bearing - Sierra*
Sale Price: $14.39
Save: $4.60
(24% Off $18.99)
Part # 18-1153
No Reviews | Write Review


Part # 18-1153
Replaces OEM part #

  • MERCURY MARINE 30-63326
  • MERCURY MARINE 30-63326T
Mariner Crankshaft Bearings

Upper/Lower Crank Shaft Main Ball Bearing - Sierra*
Sale Price: $17.09
Save: $5.90
(25% Off $22.99)
Part # 18-1154
No Reviews | Write Review


Part # 18-1154
Replaces OEM part #

  • OMC 377139
  • MERCURY MARINE 30-63742
  • MERCURY MARINE 30-63742T
Main Ball Bearing - Sierra

Main Ball Bearing - Sierra*
Sale Price: $14.39
Save: $1.30
(8% Off $15.69)
Part # 18-1398
No Reviews | Write Review


Part # 18-1398
Replaces OEM part #

  • MERCURY MARINE 30-72961
  • For: Mercury/Mariner 3.5 - 9.8 HP & Mercruiser belt driven water pump
Mallory Bearing 9-51202

Mallory Bearing 9-51202
Sale Price: $17.99
Save: $4.00
(18% Off $21.99)
Part # 9-51202
No Reviews | Write Review


Replaces GLM #:21860
Replaces Original Equipment Manufacturer(OEM):Mercury
Replaces Original Equipment Manufacturer # (OEM #):30-63742T
Fits Application:115/140/150 inline 6cyl, 30/40/50/60/75/80 upper/lower main

Sierra
No Review for Ball Bearing - Sierra
Be the first to Write a Review
 
No Review for Upper/Lower Crank Shaft Main Ball Bearing - Sierra
Be the first to Write a Review
 
No Review for Main Ball Bearing - Sierra
Be the first to Write a Review
 
No Review for Mallory Bearing 9-51202
Be the first to Write a Review
 
This product ships in 1 business day.

To determine the shipping cost and estimated delivery date for this item click Add to Cart, then click Calculate Shipping inside your shopping cart.
Standard Shipping Policies
Do you need Professional Installation? iboats.com has teamed with a national network of independent installers that are ready to handle your installation needs.
Find your local Amtech dealer:
Take an EXTRA 5-10% OFF* during the Memorial Day Sale! May 17-28
use code BOATMORE12 (click for promo details)
Get out and enjoy your Boatful of Savings.
Over 21,000 items now on sale!