Your Cart

Champion 943M QL77PP Double Platinum Marine Spark Plug

Manufacturer

Champion

Picture for manufacturer Champion

Part Number

943M
11 reviews
04/21/2036 10:12 AM
Sale Price

$7.01

In Stock (10+)

delivery box

Usually delivered within 2 days

Add To Cart

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Champion 943M (QL77PP) is a premium double platinum marine spark plug designed for superior performance and longevity in demanding marine applications. Featuring platinum tipped center electrode and platinum pad on ground electrode, this spark plug delivers extended service life with minimal wear.

Key Features:

  • Copper core electrode provides increased conductivity and heat control for good overall wear
  • Tapered electrodes create a sharper spark focus and reduce quenching
  • Electrodes use heat-active alloy to reach operating temperatures quickly and maintain stable temperatures under varying engine loads
  • Triple sealed interior and copper core reduce failure due to heat and stress
  • Designed to resist overheating under heavy engine loads
  • Resistor type plug for noise suppression
  • Built to ISO and SAE standards for proven performance

Specifications:

  • Thread Size: M14 (14mm)
  • Thread Reach: 0.500 inch (12mm)
  • Hex Size: 20mm (13/16 inch)
  • Heat Range: 77
  • Gap: 0.022 to 0.028 inch (0.56mm to 0.71mm)
  • Seat Type: Flat gasket seat
  • Single ground electrode design

Installation Torque Specifications:

  • Cast Iron Heads: 26-30 lb-ft
  • Aluminum Heads: 18-22 lb-ft

This marine-grade spark plug is an OE quality replacement recommended for outboard motors, inboard/outboard engines, and other marine applications. The QL77PP is specified as OEM equipment by major marine engine manufacturers including Mercury Marine (cross-reference 33881815). Sold individually in standard retail packaging. UPC: 037551008926.

Products specifications

Manufacturer Part Number

943M

Model Number

QL77PP

ordered 4 cans to prime/paint/clear coat some rims. paint came in 2-3 days (incredibly fast). They forgot a can, i emailed and got a reply within 20 minutes, and the can was on my doorstep the next day. im very impressed

Fast,quick and secure. Paid with amazon.

Why shop on Ebay, when there is Autoplicity. Cheaper prices than Ebay, Faster shipping and good return policies.

Easy ordering. Bets price by far. Fast shipping.

My name is Doug Raber and I tell you the truth when I say autoplicity is a great site to shop for auto parts. The prices are low and the customer service is excellent.

Great sources,very easy ordering,outstanding prices, <br>I will always check their prices first !!

quick and easy

Autoplicity can not be beat on prices, handling, and shipping times! Very easy to deal with and quick to respond if you have any problems with your order! They are always looking out to save you money and get your parts fast!

Good customer service.Very friendly persons in service dept as well. Will shop here again.

First time I've ordered from Autoplicity. They had the cheapest price, I found online. Shipping was quick also. <br>Thanks!!!

no problems at all. found what i was looking for at the lowest price i could find

Share icon
Return Policy
Returns are easy at Boatplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy