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.

International Shipping

Below are estimated rates and delivery times for popular destinations; full carrier options are available at checkout.

Our dedicated team has years of experience managing international logistics and customs documentation to ensure smooth delivery from our US warehouse to your door. Please review our shipping policy and local import regulations before ordering.

Loading international estimates...

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.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    MSD IGNITION Crank Trigger Wheel Mopar ASY12728

    SKU: MSDASY12728
    Product information
    • Weight0.72 lbs
    • Dimensions9.05 × 7.9 × 1.25 in
    • Quantity

      Each

    • Material

      Aluminum

    • Color

      Red

    • Finish

      Anodized

    • Product Line

      Flying Magnet

    Details...
    Original price was: $328.67.Current price is: $298.79.Add to cart
    Original price was: $328.67.Current price is: $298.79.
    Quantity Only 2 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    MSD IGNITION Ford 351W Crank Trigger Distributor 8378

    SKU: MSD8378
    Product information
    • Weight4.5 lbs
    • Dimensions18.8 × 6.9 × 6.7 in
    • Product Line

      Pro-Billet

    • Trigger Style

      Crank

    • Advance Type

      None

    • Cap Style

      Male

    • Cap Color

      Red

    Details...
    Original price was: $594.00.Current price is: $539.95.Add to cart
    Original price was: $594.00.Current price is: $539.95.
    Quantity Only 3 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    MILODON Bbc Windage Tray 32270

    SKU: MIL32270
    Product information
    • Weight4.83 lbs
    • Dimensions24.5 × 10.25 × 3 in
    • Windage Tray Style

      Louvered

    • Mounting Location

      Main Cap

    • Material

      Steel

    • Color

      Cadmium

    • Finish

      Plated

    Details...
    Original price was: $196.59.Current price is: $170.95.Add to cart
    Original price was: $196.59.Current price is: $170.95.
    Quantity Only 4 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    Ti22 PERFORMANCE Rolling Chassis Stands Black TIP5410

    SKU: TIP5410
    Product information
    • Weight53 lbs
    • Dimensions32.5 × 14.25 × 13 in
    • Width

      30 in

    • Material

      Steel

    • Color

      Black

    • Finish

      Powder Coat

    • Quantity

      Pair

    Details...
    Original price was: $407.99.Current price is: $339.99.Add to cart
    Original price was: $407.99.Current price is: $339.99.
    Quantity Only 7 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    HOLLEY Notched Float w/Jet Ext. 116-10

    SKU: HLY116-10
    Product information
    • Weight0.075 lbs
    • Dimensions7 × 5 × 1.85 in
    • Material

      Nitrophyl

    • Color

      Black

    • Finish

      Natural

    • Quantity

      Each

    • Variant

      Yes

    Details...
    Original price was: $54.00.Current price is: $48.74.Add to cart
    Original price was: $54.00.Current price is: $48.74.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    HELLWIG Chromoly Sway Bar Kit 7738

    SKU: HEL7738
    Product information
    • Weight23 lbs
    • Dimensions54 × 21 × 2 in
    • Diameter

      1.125 in

    • Front / Rear

      Rear

    • Oe Replacement

      Yes

    • Mounting Style

      Bolt-On

    • Bushings Included

      Yes

    Details...
    Original price was: $516.25.Current price is: $448.91.Add to cart
    Original price was: $516.25.Current price is: $448.91.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    HEDMAN Header Gasket 27450

    SKU: HED27450
    Product information
    • Weight0.23 lbs
    • Dimensions16.8 × 3.95 × 0.45 in
    • Material

      Steel Core Laminate

    • Quantity

      Pair

    • Thickness

      0.0625 in

    • Port Shape

      Round

    • Port Height

      1.5 in

    Details...
    Original price was: $15.70.Current price is: $14.27.Add to cart
    Original price was: $15.70.Current price is: $14.27.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    WINTERS Powerglide Drive 5485

    SKU: WIN5485
    Product information
    Details...
    Original price was: $252.73.Current price is: $229.75.Add to cart
    Original price was: $252.73.Current price is: $229.75.
    Quantity Only 3 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    INTERCOMP 2.5 in. Scale Ramp (Set of 4) 100342

    SKU: INT100342
    Product information
    Details...
    Original price was: $654.50.Current price is: $595.00.Add to cart
    Original price was: $654.50.Current price is: $595.00.Add to wishlist

    109