808483 Aftermarket Mercruiser EFI/MPI Distributor Cap | Sawley's Select Marine Parts

🔧 Product Description

Aftermarket replacement V8 Delco EST/HEI Distributor Cap - Replaces Part Number: 808483

New aftermarket V8 distributor cap replacing MerCruiser 808483 and cross-brand Volvo Penta/OMC 3854548 for Delco EST/HEI marine distributors.

⚙️ Key Features

• V8 Delco EST/HEI cap configuration

• Cross-brand MerCruiser, Volvo Penta, OMC, Indmar and PCM use

• Marine brass terminals and corrosion-resistant body

• Matches rotor 8M6001253

• Suitable for red-cap Delco distributor assemblies

🧰 Kit / Assembly Contents

• 1 × V8 Delco distributor cap - Part Number: 808483

🔄 Supersession & Cross Reference

OEM Supersession Chain:

• 808483T3/Q2 → Later service revisions associated with 808483

• 808483 → Supersedes/cross-references 804418 and earlier 808483 revisions

OEM / Related Numbers:

• 804418

• 808483T

• 808483T1

• 808483T2

• 808483T3

• 808483Q1

• 808483Q2

• 3854548

• 38070

• 556083

Aftermarket / Verified Equivalents:

• Sierra: 18-5354 / 18-5281

• CDI Electronics: E64-0014

• GLM: 71400

• Mallory: 9-29411

• Recmar: REC3854548

🚤 Compatibility

Commonly used on:

• GM V8 marine engines with Delco EST/HEI distributors

Typically suits:

• Engine / Equipment models:

• MerCruiser 5.0L, 5.7L, 7.4L and 8.2L Delco-distributor applications

• Volvo Penta and OMC V8 engines using cap 3854548

• Indmar and PCM Delco-distributor V8 applications

• HP / Output Range: Approximately 190HP - 425HP

• Engine / System Type: GM V8 petrol marine engine with Delco distributor ignition

• Year Range: Principally 1990s production; engine-serial dependent

• Serial / Component Identification: Confirm red V8 Delco cap and rotor 8M6001253.

🔌 Function

The distributor cap contains the high-voltage terminals that route ignition-coil output to the correct spark-plug lead. It also insulates the terminals and rotor path from moisture, salt and arcing.

Common signs of failure / service requirement:

• Crossfire, backfiring or random-cylinder misfire

• Hard starting in damp or humid conditions

• Carbon tracking, burnt terminals or internal arcing

• Cracks, corrosion or green deposits inside the cap

• Rough idle and loss of power under acceleration

📦 Condition

• New aftermarket replacement part

• Brand new

• Supplied in original or equivalent packaging