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Indmar Marine Engines Catalog
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Table of Contents
Marine Engines and Replacement Parts Section
3.0L Base Engine ................................................................................................................... 1
4.3L Base Engine ................................................................................................................... 2
4.3L Enhanced Base ................................................................................................................... 3
4.3L Bobtail Engine (s) ................................................................................................................... 4
4.3L Block Replacement Parts ....................................................................................... 5
4.3L Cooling Replacement Parts ........................................................................ 6
4.3L Electrical Replacement Parts ........................................................................ 7
4.3L Fuel Replacement Parts ....................................................................................... 8
5.0L New Long Block Green Base ....................................................................................... 9
5.0L Enhanced Base ....................................................................................... 10
5.7L Long Block Green Base ....................................................................................... 11
5.7L Remanufactured Long Block Service Base ..................................................................... 12
5.7L Enhanced Base Fuel and Spark .................................................................................... 13
5.7L Bobtail Carbureted Engine (s) ....................................................................................... 14
5.7L Block Replacement Parts / Carbureted .................................................................. 15
5.7L Cooling Replacement Parts / Carbureted .............................................................. 16
5.7L Electrical Replacement Parts / Carbureted ............................................................ 17
5.7L Fuel Replacement Parts / Carbureted ..................................................................... 18
5.7L Bobtail MPI Engine (s) ..................................................................................................... 19
5.7L Block Replacement Parts / MPI .............................................................................. 20
5.7L Cooling Replacement Parts / MPI .......................................................................... 21
5.7L Electrical Replacement Parts / MPI ........................................................................ 22
5.7L Fuel Replacement Parts / MPI ................................................................................. 23
6.0L MPI Green Base ..................................................................................................... 24
7.4L H.O Long Block ................................................................................................................... 25
8.1L GM EFI Base ................................................................................................................... 26
LS3 ................................................................................................................................................ 27
LSA ................................................................................................................................................ 28
Marine Engine Parts Kits
Miscellaneous Replacement Parts Kits ....................................................................................... 29-31
Closed Cooling Kits - Half and Full Systems ........................................................................ 32
Transmissions ................................................................................................................................................ 33
It’s e Law – Know Your Rights ................................................................................................................... 34
Warranty / One Year Engines and Parts ..................................................................................................... 35 – 36
Warranty / Two Year Engines ................................................................................................................... 37 – 39

Specifications
Displacement: 181 C.I.D. (2966.59 CC) / 3.0L
Cylinders: In-Line 4 Cylinder
Comp. Ratio: 9.25:1 (High Flow Vortec Head)
Valve Config.: Pushrod Actuated / Overhead Valves
Valve Lifters: Hydralic Flat Tappet
Bore x Stroke: 4.00” x 3.60” (101.60 x 91.44 mm)
Main Bearings: 2 Bolt Cast Iron
Ignition: Delco EST (Electronic)
Intake/Exhaust Manifold: Customer Supplied
Block MFG.: GM Powertrain
Flywheel Dia.: 14” (Ring Gear Towards Engine)
Firing Order: 1–3–4–2
Oil Pan Capacity: 4 Quarts (W/O Filter)
Oil Type: SAE 15W40 Pennzoil Marine
Paint Protectant: High Gloss Black / Superior Corrosion Resistant
Horsepower: 140 H.P. @ 4800 RPM (Carburetor)
Torque: 177 lb-ft @ 3600 RPM
Warranty: 1 Year Limited (90 Days Commercial)
3.0L GM Base Marine Engine
NEW
Note: Actual power levels may vary depending on Indmar’s
calibration and application.
Indmar Part # 051079N
Block (with all internal components) Harmonic Balancer Valve Cover
Water Circulating Pump Electronic Distributor Timing Chain Cover
Spark Plugs High Output Coil Interrupter Harness
14” Flywheel Timing Shunt Cable / Coil to Distributor
Oil Pan Power Tach Lead
e Indmar 3.0L new base engine includes the following (when ordered under the above part number).
Indmar is currently working on
Bobtail versions of this engine!
Please call for availability!
1
www.barrmarine.net Toll Free: 866-255-9265

Specifications
Displacement: 262 C.I.D. (4294 CC) / 4.3L
Cylinders: 90 Degree V6 Cylinder
Comp. Ratio: 9.4:1
Valve Config.: Overhead Valves (2 valves per cylinder)
Valve Lifters: Hydralic Roller
Bore x Stroke: 4.00” x 3.48” (101.60 x 88.39 mm)
Main Bearings Caps Cast Iron GM232-M
Ignition: Customer Supplied
Intake Manifold: Cast Iron (2 Barrel Carburetor)
Block MFG.: GM Powertrain
Flywheel Dia.: 14” (Ring Gear Towards Engine)
Firing Order: 1 –6 - 5 - 4 - 3 - 2
Oil Pan Capacity: 4.5 Quarts (W/O Filter)
Oil Type: SAE 15W40 Pennzoil Marine
Paint Protectant: High Gloss Black / Superior Corrosion Resistant
Horsepower: 223 H.P. @ 4800 RPM (Carburetor)
Torque: 267 lb-ft @ 2800 RPM
Warranty: 1 Year Limited (90 Days Commercial)
4.3L GM Base Marine Engine
NEW
Note: Actual power levels may vary depending on Indmar’s
calibration and application.
Indmar Part # 051028N
e Indmar 4.3L new base engine includes the following (when ordered under the above part number).
Block (with all internal engine components) Harmonic Balancer Valve Covers
Water Circulating Pump Timing Chain Cover Spark Plugs
14” Flywheel Cast Iron Intake (2 barrel) Oil Pan
Available Options:
-A full range of new replacement parts needed to
complete the build up!
2
www.barrmarine.net Toll Free: 866-255-9265

4.3L GM “Enhanced Base” Marine Engine
NEW
Note: Actual power levels may vary depending on Indmar’s
calibration and application.
Indmar Part # 051000
e Indmar 4.3L new “Enhanced Base” engine includes the following (when ordered under the above part number).
Block (with all internal engine components) Harmonic Balancer Valve Covers
Water Circulating Pump Timing Chain Cover Spark Plugs
14” Flywheel Oil Pan Plug Wires
Electronic Distributor (HEI-Delco) Fuel Pump (electronic) Coil
Carburetor (Holley/600 cfm) ermostat Housing T-HSG Hose
e Indmar “Enhanced Base” fuel and spark is brand new and the perfect engine for the boater who
requires a new power plant in their boat. is engine is an excellent replacement for customer who has
existing components they want to re-install to get their boat back in the water!
Specifications
Displacement: 262 C.I.D. (4294 CC) / 4.3L
Cylinders: 90 Degree V6 Cylinder
Comp. Ratio: 9.4:1
Valve Config.: Overhead Valves (2 valves per cylinder)
Valve Lifters: Hydralic Roller
Bore x Stroke: 4.00” x 3.48” (101.60 x 88.39 mm)
Main Bearings Caps Cast Iron GM232-M
Ignition: Customer Supplied
Intake Manifold: Cast Iron (4 Barrel Carburetor)
Block MFG.: GM Powertrain
Flywheel Dia.: 14” (Ring Gear Towards Engine)
Firing Order: 1 –6 - 5 - 4 - 3 - 2
Oil Pan Capacity: 4.5 Quarts (W/O Filter)
Oil Type: SAE 15W40 Pennzoil Marine
Paint Protectant: High Gloss Black / Superior Corrosion Resistant
Horsepower: 223 H.P. @ 4800 RPM (Carburetor)
Torque: 267 lb-ft @ 2800 RPM
Warranty: 1 Year Limited (90 Days Commercial)
Available Options:
-A full range of new replacement parts needed to complete the build up!
www.barrmarine.net Toll Free: 866-255-9265
3

4.3L GM “Bobtail” Marine Engine
NEW
e Indmar 4.3L “Bobtail” engine includes the following (when ordered under the above part number).
Available Options:
-Power Steering System (w/ oil cooler)
-Closed Cooling (Half or Full System)
e “Bobtail” engines by Indmar are built only with premium com-
ponents to insure many years of boating! ese super high quality
engines have everything factory installed to make sure your customer’s
complete engine replacement is a smooth transaction!
Please give the folks at Barr Marine By EDM or one of our very fine
engine distributors a call and we will be glad to help you get started
breathing life back into your boat!
e Indmar Enhanced Base Plus
Note: Closed cooling system, power steering system, and fuel water seperator are
shown but must be purchased in addition to the bobtail engine. Fuel / water sep-
erator is only included on I/O Bobtails only (at no extra charge).
Part# 051002 Bobtail without exhaust
Part# 051002M Bobtail with Merc exhaust I/O
Part# 051002VO Bobtail with Volvo exhaust I/O
Part# 051003 Inboard Bobtail with exhaust
Part# 04430M Carb Bobtail with Merc exhust I/O
with Power Steering
Part# 04330V Carb Bobtail with Volvo exhust I/O
with Power Steering
Coupler (Volvo or MerCruiser) Alternator rottle Linkage Exhaust System (Volvo or MerCruiser)
Starter (bottom mount) Flame Arrestor Dipstick and Tube Flywheel Hsg. (where applicable)
Fuel/Water Sep. (I/O only) Weather Cover E Z Oil Drain High Gloss Paint (non-corrosive)
Engine Wiring Harness Crank Pulley Circ. Pump Pulley Dust Cover (where applicable)
P/U Pump (when applicable) Torsion Damper (where applicable)
www.barrmarine.net Toll Free: 866-255-9265
4

Replacement Block Components and Related Parts
All replacement parts are from only the best manufacturers and are used on our production engines as well!
For e 4.3L Carbureted Engine
4.3L Block Components
885016
531009
535033
MC 8 66418
8 0006
535011
Note: e Barr Power Steering System is not for sale unless sold as a direct replace-
ment or sold already installed on an Indmar bobtail engine! It is recommended that the new
Power Steering System is installed on all bobtail engines.
Part Number Part Description
885016 Drive Plate (torsion damper)
531009 Flywheel Housing (bottom mount starter)
535033 Splash Plate (bottom mount starter)
531005 Front Engine Mount, RH (to block)
531004 Front Engine Mount, LH (to block)
535021 Trunion (for #531004 & 5)
8 0006 Stringer Mount (for #MC 8 66418)
535011 Transmission Mount (for direct drive ZF Trans.)
535015R Trans. Mount (RH-for reduction and V-Drive ZF)
535015L Trans. Mount (LH-for reduction and V-Drive ZF)
535032 Stringer Mount (flat)
Part Number Part Description
MC 8 66418 Front Engine Mount (Merc. replacement-in pairs)
515003KIT E-Z Oil Drain Kit (metric thread)
495121 Remote Oil Filter Kit
25 1000 Power Steering Kit (only installed at Barr Marine)
551660 Dipstick (V6 engine)
551661 Dipstick Tube (V6 engine)
5
www.barrmarine.net Toll Free: 866-255-9265

Replacement Cooling System and Related Parts
All replacement parts are from only the best manufacturers and are used on our production engines as well!
For e 4.3L Carbureted Engine
4.3L Cooling System
Note: See the Barr Marine By EDM catalog for exhaust system options. All “bobtail”
engines purchased with exhaust will automatically includes “center rise” exhaust systems
ONLY!
981108 981204 685001
041242
041494
645001 CHV 29 80 MC 2 17437
Part Number Part Description
981001 Pick Up Pump Bracket (old style)
981108 Pick Up Pump Bracket “A” (new style)
981204 Pick Up Pump Bracket “B” (new style)
685001 Pick Up Pump, Complete (pump only)
685000 Pick Up Pump Rebuild Kit
845010 Hose, Circ. Pump to ermostat Housing
551240 Single Groove Circ. Pump Pulley
041242 Dual Groove Circ. Pump Pulley
CHV 29 80 ermostat Housing (Barr style)
531093 1/2” Spacer, T-Stat Housing
986034 ermostat (drilled for FWC)
MC47 27 53045 Gasket, Intake to ermostat Housing
551045 Circulation Pump (GM Style)
MC 2 17437 Circulation Pump (Barr style)
MC47 27 34897 Gasket, Circ Pump to Engine
551241 Single Groove Crank Pulley
Part Number Part Description
041494 Dual Groove Crank Pulley
645001 Temperature Sender
531015 ermostat Housing (Indmar Style) 531067 ermostat Housing (low profile)
BA 37 0350 Closed Cooling System (full)
BA 37 0000 Closed Cooling System (half)
6
www.barrmarine.net Toll Free: 866-255-9265

Replacement Electrical System and Related Parts
All replacement parts are from only the best manufacturers and are used on our production engines as well!
For e 4.3L Carbureted Engine
4.3L Electrical System
Part Number Part Description
571006 Bottom Mount Starter
551306 Starter Bolt (single, bottom mount)
805061 Starter Relay (carbureted)
755001 Starter Solenoid (bottom mount)
575003 Starter Solenoid (top mount)
573001 Top Mount Starter (LH)
575001 Top Mount Starter (RH)
575010 Alternator (70 AMP)
556096 Ignition Module
556051 Relay, Ignition and Fuel Pump
556084 Rotor (distributor)
556194 Pick Up Coil (distributor)
551006 Clamp, Distributor
551037 Clamp Bolt, Distributor
550003 Distributor Kit
80 473037 Wire Harness Adaptor (cannon style to square)
MC 27 93175 Alternator Bracket (upper)
Part Number Part Description
BA 27 0430 Alternator Bracket (lower)
27 0430 Bushing For 93175
50 170 235 Mounting Bolt For 93175
50 270 012 Lock Washer For 93175
725036 Alternator Belt (vee)
801059 Wire Harness 805012 Spacer For Wire Harness
801012 Timing Shunt
986045 Liſting Eye (single)
571006
575010 MC 27 93175 BA 27 0430
801059
556096 556194 80 473037
7
www.barrmarine.net Toll Free: 866-255-9265
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- Indmar Marine Engines offers a wide range of marine engines for your boat. This catalog provides information, specifications, and features for the following models: MCX, Assault, Raptor, and Ford-Powered. With advanced engineering, Indmar Marine Engines will easily outperform the competition.
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- No matter what choice you make, Indmar Marine Engines will provide you with a reliable engine that will ensure your boat runs smoothly and looks great. With exceptional performance and quality, you can be sure you are getting the best engine for your boat.
- If you are looking for the ideal engine for your boat, then Indmar Marine Engines has the perfect selection for you. With a range of models to choose from, you're sure to find the performance and features you need. Buy yours today!