Alternator Wiring:
620-3149M - Mando Style Alternator
Alternator Styles & Wiring

Bilge Pumps:
135-26012 - Automatic Float Switch Installation

Cable Adapter Kit Installation:
620-30107 - OMC 33C Installation
620-30212 - Mercury Sterndrive Installation
620-37090 - Mercury Outboard 33C Installation
620-370983 - TRC Steering Cable
620-60226 - Cable Reverser Box

Cleats:
680-301-4 Slim Line Pull-Up Cleat
680-301-6 Slim Line Pull-Up Cleat

Cooling Systems:
540-160200 - Stainless Thermostat Kit
Log Manifold Cooling Water Diagram
Over Transom Header Cooling Water Diagram

Distributors:
620-8560 Billet Electronic Distributor

ECU Programming:
ECU Calibration Questionnaire

Engine Guides:
Hardin Marine Engine Manual

Exhaust Diverter:
Air Pump 620-286150
Standard Mercury Alpha/Bravo Exhaust Hole Locations

Exhaust Systems:
Exhaust Manifold Comparison (excerpt from BBC Marine Performance by Dennis Moore)
Log Manifold Cooling Water Diagram
Over Transom Header Cooling Water Diagram
Hardin Marine Cast Aluminum Exhaust Manifolds Installation
Hardin Hurricane Lite Fuel Filter Relocation
Hardin Hurricane Lite Water Line Plumbing
How to Measure 8.1L 496 Riser Height

Exhaust Tips/Flappers:
410-280173 - Butterfly Flappers

Hardin Flame Arrestor Order Form:
Custom Flame Arrestors

Fuel Level Sender:
620-91380/400/420/440/460 - Fuel Level Sender
105-91380 to 91460 - Autocal Fuel Level Sender
Programmable Fuel Sender
Bending a Fuel Level Sender

Fuel Pressure Regulators:
620-15528 - Adjustable Regulator HP500 EFI
620-15529 - Adjustable Regulator 454/502 EFI

Fuel Pump Switch:
620-12400 Fuel Pump Safety Switch

Gauges:
Hardin Marine Gauge Wiring Instructions
105-979250 - GPS Cable Harness Wiring Layout

Hatch Actuators/Lifts:
620-920018/24 - Hardin Hatch Actuator Installation
620-3316 Single Actuator Accelerator Kit
620-434 Dual Actuator Accelerator Kit

Header & Tailpipe Measurements:
620-33000 Hurricane Turn Down Collector
620-33050 Hurricane Straight Collector
620-34000 Typhoon Headers
620-34010 Typhoon Headers Narrow
620-35000 Tornado Headers
How to build Custom Tailpipes
Hardin Marine Cyclone Tailpipe Measurements
Hardin Marine Hurricane Tailpipe Measurements
Hardin Marine Typhoon Tailpipe Measurements
Standard Mercury Alpha/Bravo Exhaust Hole Locations
496 Exhaust Hole Locations
Mercury Service Bulletin - Gil/Merc Hi-Perf Tailpipe Change

Ignition Switches:
105-10* Keyless Ignition Switch Pad

Intercooler Plumbing:
Multi-Stage Water Pump with a Sand Strainer
Multi-Stage Water Pump without a Sand Strainer
Force Feed Plumbing with a Sand Strainer

Motor Mounts:
625-8520 - Front Shipping Engine Mount
625-8521 - Front Side by Side Engine Mount
625-8522 - Front Staggered Engine Mount
625-8820 - Rear Shipping Engine Mount
625-8821 - Rear Side by Side Engine Mount
625-8822 - Rear Staggered Engine Mount

Navigation Lights:
680-204-M - Accon Pop-Up Bow Light

Nose Cones:
620-11250 - Bravo Nose Cone

Oil Block Adapters:
625-7916 - Side Inlet Block Adapter

Oil Filters:
Thermofilter Diagram
Remote Oil Thermostat Drawing

Oil Pans:
620-910610 & 614 - Oil Pan Pick-up Installation

Outdrives:
137-963X - Mayfair Standoff Box Installation

Outdrive Showers:
130-1008 - Sport Tech Outdrive Shower
130-1009 - Super Cooler Bravo Outdrive Shower
130-1016 - Sport Tech Outdrive Shower

Power Steering Bracket:
620-910080 - Power Steering Bracket

Quick Drawer Shifter:
620-S510 - Installation Instruction

Superchargers:
ATI Procharger Pulley Replacement Instructions
TBS Supercharger Installation

Starters:
620-70109 Hi-Torque Ford Starter
620-3120 Hi-Torque Chevy Starter
620-3130 Hi-Torque Olds 455 Starter

Mayfair Steering:
Generation 1 End Cap Style
Add-on Components Brazillian Manifold
Add-on Components Saginaw Shuttle Valve
Full Hydraulic System

Generation 2 Modular Wing Plate Style
Add-on Components Brazillian Manifold
135-1040 Brazil Valve Manifold Assembly
Add-on Components Saginaw Shuttle Valve
Full Hydraulic System
How To Measure
Transom Bracket Template
Ram Measurements
137-9443 End Cap Installation

Throttle Linkage:
Supercharger Throttle Linkage Kit

Trim Tabs:
Hardin Marine After-Plane Trim Pump
620-122700* - Leakproof Trim Pump Caps

Water Pumps:
500-392100 Neovane Repair Kit
625-4178 Stainless Sea Pump Overhaul Kit

Wiring Harnesses:
Wiring Harness Color Codes
620-08801 - 455 Oldsmobile Engine Wiring Harness
620-08803 - 460 Ford Engine Wiring Harness
620-08802 - B/B & S/B Chevrolet Engine Wiring Harness
620-08804 - Old Style SBC Harness
620-08840 - Universal 20' boat Wiring Harness
620-08904 - MSD Ignition Contol Wire Harness
Mercury Standard Wiring Color Codes

Xtreme Offshore Shifter Controls:
Part Number Matrix
Custom Configuration Specification