Description

Relay Switch – High-Current – 35 amps / Channel – 4 Channels – Hardware Included – Kit

Why Choose Us?



Frequently Asked Questions​

As an Authorized Automotive Retailer in the United States, we take pride in guaranteeing 100% authentic products from all brands available on our website. With partnerships spanning 1,000+ brands and a network of 20+ distributor warehouses nationwide, we maintain millions of auto parts in inventory across the USA, ensuring quick shipping and reliable service to our customers. When you shop with us, you're investing in quality and trust.
We believe we have the fastest backorder system in the U.S. auto parts industry, thanks to our strong partnerships with brands and vendors. Nearly all backordered auto parts are shipped directly by the vendors without any additional delays, or they are placed as special orders on the same day. In most cases, backordered parts are delivered within 5-10 days.
We offer unbeatable prices and the best shipping rates on auto parts, with exclusive protection and insurance included to safeguard your order from damage or loss. Enjoy convenient door-to-door delivery, real-time tracking, and our 100% satisfaction guarantee for a smooth, worry-free experience.
Our standard shipping typically takes 1-3 business days. We will provide estimated shipping time for each product. While we aim to deliver as quickly as possible, this timeframe ensures all orders are processed, prepared, and dispatched with care. If the products are not ready for shipping in 72 hours, we will refund you 100%
Absolutely. Once your order is dispatched, you’ll receive an email with tracking details, so you can follow your shipment every step of the way. Every step of shipping process will be sent through email notifications or using tracking page.
Every product page includes a stock level indicator to show what’s available. We always update the inventory 24/24. We’ll be happy to check availability and provide updates on new stock arrivals if you need a help.
We’re sorry to hear that your order wasn’t delivered in perfect condition. Please email us with your order number, a description of the issue, and photographs of the damaged item. Once we receive this information, we’ll arrange for a replacement or refund and handle the return process.
You can return items within 30 days of receipt. Ensure the product is new in its original packaging and securely wrapped for safe transit. Once we receive the item in sellable condition, we’ll issue a full refund for the product value. Contact us for the return address and further instructions.

About MSD IGNITION

MSD is an industry-leading manufacturing of performance ignitions. Their product line has components for a vehicle's complete ignition system, from control modules and distributors to sensors and wiring harnesses. They also offer EFI solutions and many other products to help achieve top performance.

Reviews

There are no reviews yet.

Be the first to review “MSD IGNITION High-Current Solid State Relay 35 Amp x 4 Black 75643-HC”

Your email address will not be published. Required fields are marked *

Recently viewed products

  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    STILO Visor ST6 Red Dark YA0913

    SKU: STIYA0913
    Product information
    • Weight0.385 lbs
    • Dimensions12.05 × 7.75 × 6.3 in
    • Brand

    • Manufacturer Part Number

      YA0913

    • Type

    Details...
    Original price was: $226.00.Current price is: $204.95.Add to cart
    Original price was: $226.00.Current price is: $204.95.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    POWERMASTER Power Max Plus Starter SBF 3/4in Offset 9103

    SKU: PWM9103
    Product information
    • Weight8.25 lbs
    • Dimensions12.65 × 7.7 × 5.55 in
    • Cat 3.5

      Starters

    • Product Line

      PowerMAX Plus

    • Starter Style

      Mini

    • Gear Reduction

      6.1:1

    • Adjustable Mount

      Yes

    Details...
    Original price was: $192.53.Current price is: $175.03.Add to cart
    Original price was: $192.53.Current price is: $175.03.
    Quantity Only 5 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    PYROTECT Jacket Junior Large Black SFI-5 JJ200220

    SKU: PYRJJ200220
    Product information
    • Weight1.52 lbs
    • Dimensions16.9 × 15.25 × 3.6 in
    • Size

      Youth Large

    • Sfi Rating

      3.2A/5

    • Material

      Fire Retardant Fabric

    • Color

      Black

    • Quantity

      Each

    Details...
    Original price was: $274.00.Current price is: $249.00.Add to cart
    Original price was: $274.00.Current price is: $249.00.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    MARCH PERFORMANCE Corvette 2 Pc Pulley Set 811053

    SKU: MPP4120-08
    Product information
    • Weight2.58 lbs
    • Dimensions7.85 × 7.5 × 7.45 in
    • Product Line

      Performance Series

    • Crankshaft Pulley Included

      Yes

    • Crankshaft Pulley Groves/Ribs

      6 Rib

    • Crankshaft Pulley Material

      Aluminum

    • Crankshaft Pulley Color

      Black

    Details...
    Original price was: $138.48.Current price is: $125.89.Add to cart
    Original price was: $138.48.Current price is: $125.89.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    MARCH PERFORMANCE BBC Serpentine Conv. Kit 23030

    SKU: MPP23030
    Product information
    • Weight11.8 lbs
    • Dimensions12.2 × 10.7 × 10.5 in
    • Product Line

      Ultra

    • Water Pump Pulley Included

      Yes

    • Water Pump Pulley Groves/Ribs

      6 Rib

    • Water Pump Pulley Material

      Aluminum

    • Water Pump Pulley Color

      Natural

    Details...
    Original price was: $728.96.Current price is: $662.69.Add to cart
    Original price was: $728.96.Current price is: $662.69.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    LOKAR Hi-Tech Kickdown Kit Ford AOD KD-2AODHT

    SKU: LOKKD-2AODHT
    Product information
    • Weight0.6 lbs
    • Dimensions10.8 × 7.35 × 2.15 in
    • Product Line

      Hi-Tech

    • Electric / Cable

      Cable

    • Cable Included

      Yes

    • Adjustable Length Cable

      Yes

    • Cable Outer Material

      Braided Stainless

    Details...
    Original price was: $142.95.Current price is: $129.95.Add to cart
    Original price was: $142.95.Current price is: $129.95.
    Quantity Only 2 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    SKYJACKER Hydro Shock w/Red Boot H7067

    SKU: SKYH7067
    Product information
    • Weight5.6 lbs
    • Dimensions24.65 × 3.25 × 3.05 in
    • Product Line

      Hydro H7000 Series

    • Internal Design

      Twintube

    • Gas/Hydraulic

      Hydraulic

    • Compressed Length

      15.91 in

    • Extended Length

      26.83 in

    Details...
    Original price was: $58.00.Current price is: $51.87.Add to cart
    Original price was: $58.00.Current price is: $51.87.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    Ti22 PERFORMANCE Combo Steering Arm LH Plain TIP3025

    SKU: TIP3025
    Product information
    • Weight1.25 lbs
    • Dimensions8.95 × 8.15 × 1 in
    • Material

      Aluminum

    • Color

      Natural

    • Finish

      Anodized

    • Quantity

      Each

    • Variant

      Yes

    Details...
    Original price was: $93.59.Current price is: $77.99.Add to cart
    Original price was: $93.59.Current price is: $77.99.
    Quantity Only 8 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    HALTECH UC-10 Digital Dash HT-068000

    SKU: HTHHT-068000
    Product information
    • Weight4.59 lbs
    • Dimensions12.5 × 9 × 4 in
    • Product Line

      UC-10

    • Quantity

      Kit

    • Universal Dash Kit Included

      Yes

    • Data Logger

      Yes

    • Programmable

      Yes

    Details...
    Original price was: $2,294.25.Current price is: $1,995.00.Add to cart
    Original price was: $2,294.25.Current price is: $1,995.00.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    HOWE Frame Mount for Splined Bar 23650

    SKU: HOW23650
    Product information
    • Weight0.91 lbs
    • Dimensions6.35 × 6.05 × 2.15 in
    • Quantity

      Each

    • Material

      Aluminum

    • Color

      Black, Gold

    • Finish

      Anodized

    • Hardware Included

      Yes

    Details...
    Original price was: $62.14.Current price is: $56.49.Add to cart
    Original price was: $62.14.Current price is: $56.49.
    Quantity Only 7 left in stock!
    -+
    Add to cart
    Add to wishlist

    21