Products by Vehicle

We carry parts for the following Datsun cars and trucks


Starter 12 Volt Booster Relay

Starter 12 Volt Booster Relay
  • Starter 12 Volt Booster Relay
  • Starter 12 Volt Booster Relay
  • Starter 12 Volt Booster Relay
  • Starter 12 Volt Booster Relay
  • Starter 12 Volt Booster Relay

Simple way to eliminate premature wear and that annoying click click click on old Datsun starters.

Recommended when replacing to the upgraded gear reductions heavy duty performance starters we sell too. This Starter Relay Kit is your Hard Cold Start Cure!

This is a brand new Starter Booster Relay Kit that is ready to install in your Datsun that is Hard Starting due to Voltage Drop at Starter. This kit is a must with those old wiring harnesses. Our shop installs this kit when ever we replace a starter! Includes installation instructions. Installation time of less than 30 minutes. We've invested significant resources over the years to develop product line for domestic and import vehicles to meet the demanding requirements of our customers. Key service items and repair parts are our specialty, as well as many hard to find parts. The majority of items that we carry are made by original equipment (OE) manufacturers. We also carry many aftermarket parts to service all of our customers' needs.

NOTE: Since we are a retail store and our inventory changes everyday! This item is a normal stocking item but we do run out from time to time. If you place your order and it is not in stock and we can't get one shipped to you within 3 days we will send you an email with the expected shipping date.

High quality sealed relay which is typically used for ECU, injectors, Starters and coils when building your own harness. Displayed LED power light so you know it is working properly!

One relay required per item being wired.

Electrical Connections:
85 - Trigger - FT auxiliary output (activated when switched to ground)
86 - Switched 12V
30 - Battery 12V
87 - Output for load - Normally open contact - 40A

Includes our new high performance thick wire Relay Holder Kit

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Why use us?

California Datsun is a professional licensed Datsun Restoration Business. Our parts are backed with a 100% money back satisfaction guarantee. All we sell are quality new and restored parts that are sure to fit your special application. Our goal is customer loyalty and we want your return business. Our feedback rating is one of the best and our website is listed with several customer reviews.


Each engine is made to order, from stock to fully custom race engines. Got questions, call us direct and we can help build the right engine for you!

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