Bearings - Mercury

Bearing Mercruiser 31-32575T1
Your Price:
$8.99

Normally Ships in 7-10 Days. Rush proccessing is available on Mallory items: See here.

Bearing Mercruiser 31-32575T1

676-9-75106

Bearing
Replaces: Mercruiser 31-32575T1
For: R/MR/Alpha I, 1983-90 upper houing – upper cap
Mallory Marine has over 80 years of market leadership in the automotive industry and now has an extended range of professional quality marine parts to service every major system on your outboard, inboard and sterndrive. All Mallory Marine parts are covered by a two year limited warranty.


Bearing Mercury 30-21889
Your Price:
$30.99

Normally Ships in 7-10 Days. Rush proccessing is available on Mallory items: See here.

Bearing Mercury 30-21889

676-9-75101

Bearing
Replaces: Mercury 30-21889
For: 3.9/4/4.5/6/7.5/9.8 fwd & rev gear
Mallory Marine has over 80 years of market leadership in the automotive industry and now has an extended range of professional quality marine parts to service every major system on your outboard, inboard and sterndrive. All Mallory Marine parts are covered by a two year limited warranty.


Bearing Mercury 30-25398
Your Price:
$30.99

Normally Ships in 7-10 Days. Rush proccessing is available on Mallory items: See here.

Bearing Mercury 30-25398

676-9-75102

Bearing
Replaces: Mercury 30-25398
For: 20hp fwd & rev gear
Mallory Marine has over 80 years of market leadership in the automotive industry and now has an extended range of professional quality marine parts to service every major system on your outboard, inboard and sterndrive. All Mallory Marine parts are covered by a two year limited warranty.


Bearing Mercury 30-31265
Your Price:
$48.99

Normally Ships in 7-10 Days. Rush proccessing is available on Mallory items: See here.

Bearing Mercury 30-31265

676-9-75103

Bearing
Replaces: Mercury 30-31265
For: 65/70/80/85/90/115 rev gear
Mallory Marine has over 80 years of market leadership in the automotive industry and now has an extended range of professional quality marine parts to service every major system on your outboard, inboard and sterndrive. All Mallory Marine parts are covered by a two year limited warranty.


Bearing Mercury 30-70944
Your Price:
$25.99

Normally Ships in 7-10 Days. Rush proccessing is available on Mallory items: See here.

Bearing Mercury 30-70944

676-9-75105

Bearing
Replaces: Mercury 30-70944 / 30-33076
For: 4/4.5/7.5/9.8 drive shaft
Mallory Marine has over 80 years of market leadership in the automotive industry and now has an extended range of professional quality marine parts to service every major system on your outboard, inboard and sterndrive. All Mallory Marine parts are covered by a two year limited warranty.


Bearing Mercury 31-30895T
Your Price:
$14.99

Normally Ships in 7-10 Days. Rush proccessing is available on Mallory items: See here.

Bearing Mercury 31-30895T

676-9-75111

Bearing
Replaces: Mercury 31-30895T
Fits: Inside fwd gear, 40 V-6
Mallory Marine has over 80 years of market leadership in the automotive industry and now has an extended range of professional quality marine parts to service every major system on your outboard, inboard and sterndrive. All Mallory Marine parts are covered by a two year limited warranty.


Bearing Mercury 31-30956T
Your Price:
$10.99

Normally Ships in 7-10 Days. Rush proccessing is available on Mallory items: See here.

Bearing Mercury 31-30956T

676-9-75112

Bearing
Replaces: Mercury 31-30956T
Fits: Prop shaft bearing carrier OB 40hp & up
Mallory Marine has over 80 years of market leadership in the automotive industry and now has an extended range of professional quality marine parts to service every major system on your outboard, inboard and sterndrive. All Mallory Marine parts are covered by a two year limited warranty.


Bearing Mercury 31-33138A1
Your Price:
$41.99

Normally Ships in 7-10 Days. Rush proccessing is available on Mallory items: See here.

Bearing Mercury 31-33138A1

676-9-75125

Bearing
Replaces: Mercury 31-33138A1
For: Merc 650/800/850 drive shaft
Mallory Marine has over 80 years of market leadership in the automotive industry and now has an extended range of professional quality marine parts to service every major system on your outboard, inboard and sterndrive. All Mallory Marine parts are covered by a two year limited warranty.


Bearing Mercury 31-36387A1
Your Price:
$36.99

Normally Ships in 7-10 Days. Rush proccessing is available on Mallory items: See here.

Bearing Mercury 31-36387A1

676-9-75107

Bearing
Replaces: Mercury 31-36387A1
For: V-6 drive shaft
Mallory Marine has over 80 years of market leadership in the automotive industry and now has an extended range of professional quality marine parts to service every major system on your outboard, inboard and sterndrive. All Mallory Marine parts are covered by a two year limited warranty.


Bearing Mercury 31-38356A1
Your Price:
$43.99

Normally Ships in 7-10 Days. Rush proccessing is available on Mallory items: See here.

Bearing Mercury 31-38356A1

676-9-75108

Bearing
Replaces: Mercury 31-38356A1
For: 30/35/40/50/60 fwd gear
Mallory Marine has over 80 years of market leadership in the automotive industry and now has an extended range of professional quality marine parts to service every major system on your outboard, inboard and sterndrive. All Mallory Marine parts are covered by a two year limited warranty.


Bearing Mercury 31-77420A1
Your Price:
$21.99

Normally Ships in 7-10 Days. Rush proccessing is available on Mallory items: See here.

Bearing Mercury 31-77420A1

676-9-75109

Bearing
Replaces: Mercury / Force 31-77420A1
For: Force 70/75 Merc 35/40/50/55/60/70 drive shaft
Mallory Marine has over 80 years of market leadership in the automotive industry and now has an extended range of professional quality marine parts to service every major system on your outboard, inboard and sterndrive. All Mallory Marine parts are covered by a two year limited warranty.


Bearing Mercury 31-78172A1
Your Price:
$66.99

Normally Ships in 7-10 Days. Rush proccessing is available on Mallory items: See here.

Bearing Mercury 31-78172A1

676-9-75110

Bearing
Replaces: Mercury 31-78172A1
For: V-6 fwd gear
Mallory Marine has over 80 years of market leadership in the automotive industry and now has an extended range of professional quality marine parts to service every major system on your outboard, inboard and sterndrive. All Mallory Marine parts are covered by a two year limited warranty.


Bearing Mercury 31-828437A2
Your Price:
$117.99

Normally Ships in 7-10 Days. Rush proccessing is available on Mallory items: See here.

Bearing Mercury 31-828437A2

676-9-75115

Bearing
Replaces: Mercury 31-828437A2
Fits: Forward Gear
Mallory Marine has over 80 years of market leadership in the automotive industry and now has an extended range of professional quality marine parts to service every major system on your outboard, inboard and sterndrive. All Mallory Marine parts are covered by a two year limited warranty.


Drive Bearing Kit Mercruiser 31-35988A12
Your Price:
$114.99

Normally Ships in 7-10 Days. Rush proccessing is available on Mallory items: See here.

Drive Bearing Kit Mercruiser 31-35988A12

676-9-75123

Drive Bearing Kit
Replaces: Mercruiser 31-35988A12
Fits: R/MR/Alpha & Gen II Drives
Mallory Marine has over 80 years of market leadership in the automotive industry and now has an extended range of professional quality marine parts to service every major system on your outboard, inboard and sterndrive. All Mallory Marine parts are covered by a two year limited warranty.


Forward Gear Bearing Mercury 31-828439A2
Your Price:
$127.99

Normally Ships in 7-10 Days. Rush proccessing is available on Mallory items: See here.

Forward Gear Bearing Mercury 31-828439A2

676-9-75119

Forward Gear Bearing
Replaces: Mercury 31-828439A2
Fits: 200, 225, 250 3.0 s/n G437999 & below
Mallory Marine has over 80 years of market leadership in the automotive industry and now has an extended range of professional quality marine parts to service every major system on your outboard, inboard and sterndrive. All Mallory Marine parts are covered by a two year limited warranty.


Standard Big Block Chevy Freshwater Merc Headers 36" Wide
Starting From:
$2,299.99
This Part has options, please click the button below to order.

Lightning Big Block Chevy Freshwater Merc Headers 36" Wide

310-40 + Option(s)

Standard Big Block Chevy Freshwater Merc Kit 36" Wide - STOCK Measurements

THE ULTIMATE "FRESH WATER" EXHAUST SYSTEM

Finally an affordable alternative to all stainless steel water jacketed headers. For the thousands of pleasure boaters "NOT" affected by the corrosion problems associated with Salt Water there is at last the availability of a true tubular header system for the Fresh Water boater. These headers are designed to be a replacement for Mercury manifolds. However, they terminate approximately 8" aft of stock manifolds and are projected to meet the exhaust tips providing they are in the stock location. Low Port Headers are also available for under the swim step applications. Standard width headers will have about 1/2" clearance between header and tall style Moroso valve cover. Headers come complete with bolts, gaskets, water fittings, pet cocks, etc. (less 4" hose and 4" hose clamps). Factory oil filter requires relocation.

THE LIGHTNING CONSTRUCTION DIFFERENCE IS WHAT COUNTS !
Our Magnum header starts with Mandrel bent 316L stainless steel interior tubes. The exterior tubes are Mandrel bent heavy wall steel tube (.074). The tubes are then mechanically etched by sand blasting and then assembled. Finally,a corrosion resistant silicone ceramic coating is applied to the interior of the header while the exterior receives a powder coat finish.

ALL THIS PLUS THE BEST 2-YEAR WARRANTY IN THE INDUSTRY

Through continuing research Lightning Mfg. has developed a Dual Porcelain Coating that resists corrosive water environments. Now able to apply the same high tech coating to the fresh water series of steel outer lined thus aiding in the prevention cracking and deterioration.


Standard Jacketed Header - Big Block Chevy Jet Drive 36" Wide
Starting From:
$2,299.99
This Part has options, please click the button below to order.

Lightning Big Block Chevy Jet Drive 36" Wide Standard Jacketed Header

310-40 + Option(s)

Standard Jacketed Header - Big Block Chevy Jet Drive 36" Wide

These headers are designed to be a replacement for Jet manifolds. However, they terminate approximately 8" aft of stock manifolds and are projected to meet the exhaust tips providing they are in the stock location. Headers will have about 1/2" clearance between header and tall Moroso valve covers. Headers come complete with bolts, gaskets, water fittings, pet cocks, etc. (less 4" hose and 4" hose clamps). Factory oil filter requires relocation.

LIGHTNING PERFORMANCE
When comparing performance exhaust systems it's good to understand the different systems on the market today and the performance demands of your engine. Understanding how a header works will help you decide on which exhaust system is best suited for your application.

Headers have two basic functions. First is to simply relieve back pressure. For example, when looking at a manifold you see a 4" diameter exhaust hose, but the actual exhaust gas opening is about 2-1/2" diameter. Most performance manifolds and some header manufacturers use a 4" exhaust hose and 3" or 3-1/2" OD exhaust gas tube. All of these headers use a 4" OD exhaust gas tube and a 5" water jacket tube until the water gets introduced into the exhaust gas stream, then it gets reduced from 5" to its 4" exhaust hose diameter. At no time does the exhaust gases see a diameter smaller than 4" OD. When looking at these exhaust gas openings consider their area not their diameter. For example, a 4" OD opening has an area of approximately 12.56 sq. in. A 3-1/2" opening has an area of approximately 9.62 sq. in.That is 25% smaller! A 3" opening is approximately 7.06 sq. in. and a 2-1/2" opening is approximately 4.90 sq. in. which is 60% smaller.

LIGHTNING HORSE POWER COMPARISON
Performance figures on headers vary considerably. As a rule, the higher horsepower engines benefit more than the lower horsepower engines. For example, the 330 hp Mercury engine will gain approximately 50 to 75 rpm, where as the 365 hp Mercury engine will gain approximately 300 to 400 rpm (45 hp). Blown engines gain up to 800 rpm (80 hp). Of course this is comparing these headers against stock Mercury center rise manifolds.

LIGHTNING CONSTRUCTION
Our Magnum header starts with Mandrel bent 316L stainless steel interior tubes. The exterior tubes are Mandrel bent heavy wall steel tube (.074). The tubes are then mechanically etched by sand blasting and then assembled. Finally, a corrosion resistant silicone ceramic coating is applied to the interior of the header while the exterior receives a powder coat finish.

ALL THIS PLUS THE BEST 2-YEAR WARRANTY IN THE INDUSTRY

Through continuing research Lightning Mfg. has developed a Dual Porcelain Coating that resists the harshest of salt water environments. Now as an option they are able to apply the same high tech coating to a 316L stainless steel lined header once thought to be the cracking alloy and render it crack resistant.


Lower Drive Shaft Bearing Mercury 31-42647A1
Your Price:
$34.99

Normally Ships in 7-10 Days. Rush proccessing is available on Mallory items: See here.

Lower Drive Shaft Bearing Mercury 31-42647A1

676-9-75121

Lower Drive Shaft Bearing
Replaces: Mercury 31-42647A1
For: lower drive shaft MR / Alpha 1 / Gen II & V6 Outboard
Mallory Marine has over 80 years of market leadership in the automotive industry and now has an extended range of professional quality marine parts to service every major system on your outboard, inboard and sterndrive. All Mallory Marine parts are covered by a two year limited warranty.


Lower Main Bearing Mercury 30-63326T
Your Price:
$20.99

Normally Ships in 7-10 Days. Rush proccessing is available on Mallory items: See here.

Lower Main Bearing Mercury 30-63326T

676-9-75113

Lower Main Bearing
Replaces: Mercury 30-63326T
Fits: Older 115, 140, 150 hp Inline Engines

This is where precision counts! Mallory Marine internal engine components are manufactured to exacting tolerances from the highest quality materials to assure long life and excellent performance.

  • Precision ground bearing from the finest quality high carbon bearing quality steel
  • Forged connecting rods heat treated and precision machined to precise tolerances
  • Many manufactured by OEM suppliers and meet or exceed OEM specifications.


Lower Main Bearing Mercury 30-88957T
Your Price:
$38.99

Normally Ships in 7-10 Days. Rush proccessing is available on Mallory items: See here.

Lower Main Bearing Mercury 30-88957T

676-9-75114

Lower Main Bearing
Replaces: Mercury 30-88957T
Fits: V6

This is where precision counts! Mallory Marine internal engine components are manufactured to exacting tolerances from the highest quality materials to assure long life and excellent performance.

  • Precision ground bearing from the finest quality high carbon bearing quality steel
  • Forged connecting rods heat treated and precision machined to precise tolerances
  • Many manufactured by OEM suppliers and meet or exceed OEM specifications.