Marine parts, fast fulfillment, real support

Get the right part without slowing down your season. PowerBoatSupply helps boat owners order with confidence, backed by trusted marine parts expertise and responsive support.

✓ Fast shipping ✓ Fitment help ✓ Secure checkout

NGK Spark Plugs 4623 Spark Plug 4623

Marine parts, fast fulfillment, real support

Get the right part without slowing down your season. PowerBoatSupply helps boat owners order with confidence, backed by trusted marine parts expertise and responsive support.

✓ Fast shipping ✓ Fitment help ✓ Secure checkout

Brand:: NGK Spark Plugs

Part Number:: 41-DR5HS

$5.89 $4.13

— You save $1.76

Earn $0.12 in PBS Store Credit

Availability: In Stock - Ships same or next business day. Shipping: Free Shipping Over $99

Current Stock:

Quantity:

Get back on the water faster — ships next business day.

Trusted by boat owners & marine techs

Real OEM parts, fast shipping, and support from a Mercury Platinum Dealer.

✓ Best Price ✓ Fast Fulfillment ✓ Trusted Fitment ✓ Real Support

✓ 17,500+ verified 5-star reviews

Description

NGK Spark Plugs 4623 Spark Plug 4623

Chosen by more automotive, and marine engine manufacturers than any other. The unique copper core and exclusive electrode design assure fast starts, peak performance and long life.

•?Triple gasket sealing process eliminates gas leakage past the shell
•?99% Highly pure alumina silicate insulator, solid copper core
•?Trivalent plating - silver chromate and zinc for corrosion resistance

View AllClose

Warranty Information

We are an authorized reseller for all products listed on our website. Please contact the manufacturer for warranty info.

View AllClose

Specs

UPC:	41-DR5HS
MPN:	4623
Model #:	4623
Pack:	10
Pkg.:	Boxed

Reviews

View AllClose