NGK Spark Plug - #4339/04 — Harley-Davidson & Indian Motorcycle Night Rod Special, Chieftain, V-Rod (2002-2024)

NGK spark plug #4339 (DCPR8E) for V-twin motorcycles, including Harley-Davidson and Indian models. Genuine NGK construction trusted by riders and shops nationwide.

Features

• OEM-equivalent construction
• ILKR8Q7 can substitute for ILKR8Q
• BPR8ES can substitute for BPR8ES-S

Specifications

• Brand: NGK
• Manufacturer Part #: 4339
• UPC: 087295143391
• Length: 2.8 in
• Width: 0.9 in
• Height: 0.4 in
• Weight: 0.1 lbs
• Country of Origin: Japan

Fitment

Fits V-twin motorcycles, including Harley-Davidson and Indian Motorcycle models.

Frequently Asked Questions

What motorcycles does this plug fit?

This NGK plug is designed for V-twin engines in Harley-Davidson and Indian Motorcycle models. Check your owner's manual to confirm the correct part number for your specific year and engine.

Can I use ILKR8Q7 instead of ILKR8Q?

Yes — ILKR8Q7 is a direct substitute for ILKR8Q spark plugs.

Can I use BPR8ES instead of BPR8ES-S?

Yes — BPR8ES can be used in place of BPR8ES-S.

Is this a genuine NGK part?

Yes — this is a genuine NGK spark plug manufactured in Japan and distributed by Western Power Sports.