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-----
30 (MK30)4ALL-18-4035-----
3041271885144813918-4035-18-1154 9-51202 18-1154 9-51202
302G053314& UP--18-1154 9-51202 --
30 (jet)4C159200& UP18-4037-18-1154 9-51202 18-1154 9-51202
30 (jet)3G590000& UP--18-1154 9-51202 --
354121722144813918-4035-18-1154 9-51202 18-1154 9-51202
3526445653B110788--18-1154 9-51202 --
35 (MK35)41217222127188418-4035-----
25 (MK40)4711400& UP18-4035-----
40 (MK50)4ALL-18-4035-----
40 (MK55)4831021& UP18-4035-----
4041279685147650918-4035-18-1154 9-51202 18-1154 9-51202
4022874704& UP--18-1154 9-51202 --
404C159200& UP18-4037-18-1154 9-51202 18-1154(1) 9-51202
402G053314& UP--18-1154 9-51202 --
403G531301& UP--18-1154 9-51202 --
4541476510153156818-4035-18-1154 9-51202 18-1154(1) 9-51202
4545531630& UP18-4037-18-1154 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-----
5041421113519325818-4035-18-1154 9-51202 18-1154(1) 9-51202
5045193259& UP18-4037-18-1154 9-51202 18-1154 9-51202
5036428681D00074918-4037-----
503D000750G589999--18-1154 9-51202 --
503G590000& UP--18-1154 9-51202 --
553D000750G589999--18-1154 9-51202 --
553G590000& UP--18-1154 9-51202 --
6041303411154274418-4037-18-1154 9-51202 18-1154(1) 9-51202
6036428681D00074918-4037-----
603D000750G589999--18-1154 9-51202 --
603G590000& UP--18-1154 9-51202 --
6541545745329318318-4037-18-1154 9-51202 --
6533293184457165118-4037-----
60 (MK75)6ALL-18-4037-----
65 (jet)-D283222& UP--18-1346 9-51200 --
70 (MK78)61143038& UP18-4037-----
7061296411156623918-4037-18-1154 9-51202 18-1154(1) 9-51202
7034571652642868018-4037-----
703A996142& UP--18-1346 9-51200 --
7546432901& UP18-4037-18-1154 9-51202 --
753C222000& UP--18-1346 9-51200 --
8061335465156623918-4037-18-1154 9-51202 18-1154(1) 9-51202
8042559001643290018-4037-18-1154 9-51202 --
85I-61460999176682318-4037-18-1154 9-51202 --
8543493913483199818-4037-18-1154 9-51202 --
90I-61766824186977518-4037-18-1154 9-51202 --
90I-64845301& UP18-4037-18-1154 9-51202 --
903A996142& UP--18-1346 9-51200 --
95I-61869776231858518-4037-18-1154 9-51202 --
100I-61464949283601818-4037-18-1154 9-51202 --
100I-62641855325311118-4037-18-1154 9-51202 --
1004B209468& UP--18-1346 9-51200 --
105 (jet)V-6D820000& UP--18-1345 9-51204 --
110I-61870204231495518-4037-18-1154 9-51202 --
115I-62836019C09999918-4037-18-1154 9-51202 --
1154C100000& UP--18-1346 9-51200 --
125I-62314956325311118-4037-18-1154 9-51202 --
1254D283222& UP--18-1346 9-51200 --
135I-62839369329323318-4037-18-1154 9-51202 --
135V-6D082000& UP--18-1345 9-51204 --
135 DFIV-6D082000& UP--18-1345 9-51204 --
140I-63293234& UP18-4037-18-1154 9-51202 --
140 (jet)V-6D082000& UP--18-1345 9-51204 --
150I-63502806532766218-4037-18-1154 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)
Ball Bearing - Sierra
Your Price: $17.99
Save: $3.04
(14% Off $21.03)
Part # 18-1153 ValueShip™ Eligible
SHIPS TOMORROW!* if ordered in 12 hrs 9 mins.
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Replaces OEM part #
  • MERCURY MARINE 30-63326
  • MERCURY MARINE 30-63326T
Upper/Lower Crank Shaft Main Ball Bearing - Sierra
Your Price: $19.99
Save: $5.54
(21% Off $25.53)
Part # 18-1154 ValueShip™ Eligible
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Replaces OEM part #
  • OMC 377139
  • MERCURY MARINE 30-63742
  • MERCURY MARINE 30-63742T
Upper Main Bearing for Mercury/Mariner 31-74248T, GLM 16520 - Sierra
Your Price: $47.99
Save: $19.93
(29% Off $67.92)
Part # 18-1196 ValueShip™ Eligible
SHIPS TOMORROW!* if ordered in 12 hrs 9 mins.
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Replaces OEM part #
  • MERCURY MARINE 31-74248T
  • For: V135, 150, 175, 200 (carb)
Main Ball Bearing - Sierra
Your Price: $14.99
Save: $0.70
(4% Off $15.69)
Part # 18-1398 ValueShip™ Eligible
SHIPS TOMORROW!* if ordered in 12 hrs 9 mins.
No Reviews | Write Review | Ask Question
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
Your Price: $19.99
Save: $5.00
(20% Off $24.99)
Part # 9-51202 ValueShip™ Eligible
SHIPS TOMORROW!* if ordered in 12 hrs 9 mins.
Hurry! Only 1 left in stock
No Reviews | Write Review | Ask Question
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
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