ACCEL SKU: 274-0030

Accel Bosch Style Starter Relay - Harley & Indian V-Twin

$46.95
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About Accel

Accel parts and accessories are stocked at Vtwinbikers for Harley-Davidson and Indian Motorcycle applications. Every Accel 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.

Keep your V-twin firing reliably with the Accel Bosch Style Starter Relay. Engineered to handle the demands of both high-performance and stock ignition systems, this relay ensures consistent starting power. Its durable construction provides dependable long-term operation for any Harley or Indian.

Why riders pick this

  • Designed for high-performance ignition demands
  • Injection-molded case resists corrosion
  • Compatible with stock and modified V-twin engines
  • Bosch OEM-style configuration for direct fitment

When you're chasing more power, every component in your electrical system needs to be up to the task. This Accel Bosch Style Starter Relay is built to deliver the consistent current needed for high-compression engines and modified V-twin setups, while still being a perfect match for a stock bike. It’s a direct replacement that bolsters your starting system's integrity.

Reliable Power Delivery

  • Handles high-performance ignition demands with ease
  • Injection-molded case resists corrosion for extended life
  • Works seamlessly on both stock and modified V-twin engines
  • OEM-style configuration for straightforward installation

Upgrade Your Ignition System

A failing starter relay can leave you stranded. This Accel relay is a smart upgrade or replacement for any Harley or Indian rider looking to restore or improve their bike's electrical reliability. It's designed for a quick swap, getting you back on the road or track with confidence in your starting system.

Specifications

  • Brand: Accel
  • Manufacturer Part #: 40116
  • UPC: 743047943373
  • Length: 1.8 in
  • Width: 3.95 in
  • Height: 1.45 in
  • Weight: 0.09 lbs
  • Country of Origin: China (Mainland)

Common questions

Will this relay work on a stock Harley or Indian?

Yes, this Accel Bosch Style Starter Relay is designed to work on both stock and high-performance V-twin applications, ensuring reliable starting for your motorcycle.

What makes the injection-molded case better than older relays?

The injection-molded case offers superior resistance to corrosion, which significantly extends the relay's lifespan and helps prevent electrical failures caused by moisture or environmental exposure.

Is this a direct replacement for my stock starter relay?

Yes, this Accel Bosch Style Starter Relay is engineered for direct replacement of your stock unit. Always confirm fitment for your specific year and model using our Shop by Bike tool before ordering.

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.
BRANDAccel
TYPEElectrical
SKU274-0030
WEIGHT0.09 lb
Please contact us to confirm fitment for your specific motorcycle, or check the product title for compatibility notes.
CUSTOMER REVIEWS
4.77
13 RATINGS
5★ 10
4★ 3
3★ 0
2★ 0
1★ 0
✓ VERIFIED
May 16, 2025

Norm's view

It fit and worked fine, a little pricy!!

— norman l
✓ VERIFIED
Apr 17, 2023

The price is right for what you get

— Mark B
✓ VERIFIED
Jul 16, 2020

So far everything seems good. Was glad it came with instructions. Really help .

— Anonymous
✓ VERIFIED
Jul 13, 2020

The good news with the relay it came with instructions so it hooked up correctly so far so good 👍

— Anonymous
✓ VERIFIED
Jun 23, 2020

fit perfect. not black.accel green

— Anonymous
✓ VERIFIED
May 27, 2020

AWSOM

— Anonymous