NGK SKU: 2-DCPR7E

NGK #3932 DCPR7E Spark Plug - Harley Sportster & Touring

$6.78
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About NGK

NGK parts and accessories are stocked at Vtwinbikers for Harley-Davidson and Indian Motorcycle applications. Every NGK item we list is new and sourced through authorized distribution. If you are not certain a part matches your year and model, use Shop by Bike or email our team before you order and we will confirm fitment first.

The NGK #3932 DCPR7E spark plug is a genuine OEM-quality replacement engineered for a wide range of Harley-Davidson and Indian Motorcycle V-twin engines. Manufactured in Japan, this plug delivers consistent, reliable ignition, essential for optimal engine performance and efficiency. It's a trusted choice for maintaining your ride.

Why riders pick this

  • Consistent ignition for Harley V-twin engines
  • Genuine NGK quality, made in Japan
  • OEM-quality replacement for reliable performance
  • Supports efficient combustion and engine health

A strong, consistent spark is non-negotiable for a high-performing V-twin. The NGK #3932 DCPR7E spark plug is designed to provide just that, ensuring efficient combustion and a smooth-running engine for your Harley-Davidson Sportster or Touring model. With genuine NGK construction and precision manufacturing in Japan, this plug offers the quality and reliability riders demand for their machines.

Reliable Ignition for Every Ride

  • Delivers consistent spark for optimal engine performance
  • Genuine NGK construction ensures durability and reliability
  • Manufactured in Japan to exacting OEM standards
  • Supports efficient combustion and improved throttle response

Maintain Your V-Twin's Edge

Whether you're hitting the open road on a Road King or carving corners on a Sportster, reliable ignition is key. The NGK #3932 DCPR7E is a direct replacement that helps restore lost power and maintain fuel efficiency. It's an easy and impactful upgrade or maintenance item that keeps your V-twin running at its best. Always verify the specific spark plug required for your Harley or Indian model to ensure perfect compatibility before installation.

Specifications

  • Brand: NGK
  • Manufacturer Part #: 3932
  • UPC: 087295139325
  • Length: 2.9 in
  • Width: 0.8 in
  • Height: 0.6 in
  • Weight: 0.1 lbs
  • Country of Origin: Japan

Common questions

What Harley-Davidson models does this NGK spark plug fit?

This NGK #3932 DCPR7E spark plug is designed for V-twin engines found in various Harley-Davidson Sportster, Touring, and Dyna models, as well as Indian Motorcycle applications. Please verify your OEM part number and specific model year to confirm fitment.

Is this a genuine NGK spark plug?

Yes, this is a genuine NGK spark plug, manufactured in Japan to OEM specifications for V-twin motorcycles.

Can I use ILKR8Q7 or BPR8ES instead of my current plugs?

Yes, ILKR8Q7 can substitute for ILKR8Q, and BPR8ES can substitute for BPR8ES-S in compatible V-twin applications. Always confirm the correct heat range and plug type for your engine.

Ordering from Vtwinbikers

  • Brand new, sourced through authorized US distribution — never used, never grey-market.
  • Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
  • Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
BRANDNGK
TYPESpark Plugs
SKU2-DCPR7E
WEIGHT0.1 lb
Please contact us to confirm fitment for your specific motorcycle, or check the product title for compatibility notes.
CUSTOMER REVIEWS
3.86
7 RATINGS
5★ 5
4★ 0
3★ 0
2★ 0
1★ 2
✓ VERIFIED
Jul 26, 2025

Nkg vs Harley stock plugs

Can’t really feel a significant throttle response but seem to be good plugs so far. Do t know about durability, price was better than HD screaming eagle. Iridium plugs are supposed to be better performance, we shall see.

— TERRENCE L
✓ VERIFIED
Apr 26, 2026

Right on….

Pretty in box, haven’t placed them yet!?!!

— Damian G
✓ VERIFIED
Mar 28, 2026

good performance

performs well

— RICHARD F
✓ VERIFIED
Jul 26, 2025

Nkg vs Harley stock plugs

Can’t really feel a significant throttle response but seem to be good plugs so far. Do t know about durability, price was better than HD screaming eagle. Iridium plugs are supposed to be better performance, we shall see.

— TERRENCE L
✓ VERIFIED
Jul 25, 2025

Too short

The plug wires were way short

— Rick J
✓ VERIFIED
Jan 26, 2025

Great product

Great product, excellent price and EXTREMELY FAST SHIPPING

— Patrick Q