Skip to product information
805759Q3 18 5273 Tune Up Kit Distributor Cap Rotor for MerCruiser V8 Thunderbolt

805759Q3 18 5273 Tune Up Kit Distributor Cap Rotor for MerCruiser V8 Thunderbolt

Write Review

Your Source for Aftermarket Parts

$54.49
Sale price  $54.49 Regular price 

Available to Order

Usually ships in 2–4 business days.
This Tune-Up Kit is a distributor cap and rotor set compatible with MerCruiser V8 Thunderbolt engines and matches OEM Part# 805759Q3 and 18-5273.
Industrial Retailer parts support representative

Need help finding the right part? Talk with a parts expert today.

Parts Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT

Live Chat: Available 24/7

Call us

I needed a forklift part and wasn’t sure which one fit. They asked for the model and serial number, got back to me quickly, and made sure I ordered the right one. Really helpful.

Randy W. — Verified customer

Product Overview

This tune-up kit includes a high-quality distributor cap and rotor designed for MerCruiser V8 Thunderbolt marine engines. It provides reliable ignition performance and ensures smooth engine operation for boat owners and marine mechanics.

Key Features & Performance

  • Includes both distributor cap and rotor for a complete tune-up
  • Direct replacement for OEM part numbers 805759Q3 and 18-5273
  • Constructed from durable materials to withstand marine environments
  • Ensures consistent spark delivery for optimal engine performance
  • Easy to install with standard tools

Fitment & Compatibility

  • MerCruiser V8 Thunderbolt engines
  • Compatible with models using distributor cap and rotor set 805759Q3 / 18-5273

Common Uses

  • Routine maintenance of MerCruiser V8 marine engines
  • Replacing worn or damaged distributor components
  • Restoring ignition system performance on boats
  • Engine overhaul or tune-up projects

Technical Specifications

  • Part Number(s): 805759Q3, 18-5273
  • Type: Distributor cap and rotor kit
  • Application: MerCruiser V8 Thunderbolt

Frequently Asked Questions

Q: Will this fit my MerCruiser 350 Magnum Thunderbolt? A: This kit is designed for MerCruiser V8 Thunderbolt engines; check your specific model number to confirm compatibility with 805759Q3.

Q: Does this include the spark plug wires? A: No, this kit only includes the distributor cap and rotor; spark plug wires are sold separately.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.

Customers also purchased

Keywords (Used as search references only) View IP policy.