NGK 5442 Spark Plug
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NGK
 Racing Spark Plug

NGK 5442 Spark Plug

Brand NGK 5442
Resistance 5000
Ground Electrode Tip Design Pin type
Ground Configuration Slant
Ground Electrode Core Material Platinum
Electrical Terminal Type Non-removable nut
Center Electrode Core Material Copper
Center Electrode Tip Material Iridium
Pre-Gap Size .024
Ground Electrode Quantity 1
Hex Size 13/16
Insulator Height 55.00
Manufacturer Heat Range 8
Seat Type Flat
Reach .75
Thread Diameter 14.00
Part Number R7376-8
Stock Number 5442
Product line Racing Spark Plug
Fits Kawasaki · 1 vehicle

Iridium tip. Promotes consistent spark delivery in demanding ignition conditions.

Platinum ground electrode. Uses a pin-type slant design for focused ignition performance.

OE supplier heritage. NGK manufactures spark plugs to original equipment standards.

Cross-references DENSO Auto Parts 5713, NGK 5442 and 92070-1229 for the same application. See all 7.

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Racing Spark Plug Overview

NGK 5442 is a racing spark plug built with an iridium center electrode tip, platinum ground electrode core, and a copper core for stable ignition performance. It is a direct fit for select applications and is identified by part number 5442.

  • Iridium center electrode tip for consistent spark delivery.
  • Platinum ground electrode core with a pin-type, slant ground design.
  • 5000 ohm resistance for ignition system compatibility.
  • Pre-gapped to .024 with a flat seat and 14 mm thread diameter.

Product Details

NGK 5442, also referenced as R7376-8, uses a non-removable nut terminal, 13/16 hex size, and a .75 reach. The heat range is 8, and the single ground electrode layout supports focused ignition performance in demanding conditions. For buyers searching for an NGK spark plug 5442 or R7376-8, this part combines OE-style construction with racing-oriented electrode materials.

This spark plug is used in a 2004 Kawasaki KX125, N/A, with the listed racing gap specification. It is a fitment-specific ignition component for riders who need the correct plug configuration for that application. NGK 5442 is also cross-referenced to DENSO Auto Parts 5713 for the same application.

Common Uses

  • Hard starting caused by worn or incorrect spark plug specifications.
  • Misfire from improper gap or resistance mismatch.
  • Weak ignition performance under high-demand operation.
  • Replacement for a plug with the wrong heat range or thread setup.

Installation Notes

Verify the thread diameter, reach, seat type, and pre-gap before installation. Confirm the listed fitment and racing specification for the 2004 Kawasaki KX125, N/A, before service. Use the part number 5442 to match the correct application.

Quality Assurance

NGK is a major OE spark plug supplier in North America and manufactures ignition components to original equipment standards. Part number 5442 reflects NGK’s long-running focus on durability, reliability, and broad application coverage.

Related reading

This part fits 1 vehicle
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersNotes
2004KawasakiKX125-L--Exc. Race Kart; Gap 0.024"; Racing Spark Plug
Directly replaces or cross-references 7 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
DENSO Auto Parts — 5713NGK — 544292070-122992070-123592070-124792070-1275IW01-24