Autoexact ignition coil pack for reliable starts and smoother acceleration
Autoexact iridium spark plugs deliver cleaner combustion for improved power
Autoexact coils pre-lubricated with green dielectric grease for easy fitment
Autoexact direct OE replacement design for quick, tool-friendly DIY upgrades
Autoexact engine bay view highlights organized installation path
Autoexact eight-pack contents ready for DIY replacement
Autoexact torque guidance image supports correct installation ranges
Autoexact compatibility chart highlights broad fitment for 5.7L vehicles
Autoexact warranty and support badge reassures after-purchase assistance
Autoexact ignition coil pack for reliable starts and smoother acceleration
Autoexact iridium spark plugs deliver cleaner combustion for improved power
Autoexact coils pre-lubricated with green dielectric grease for easy fitment
Autoexact direct OE replacement design for quick, tool-friendly DIY upgrades
Autoexact engine bay view highlights organized installation path
Autoexact eight-pack contents ready for DIY replacement
Autoexact torque guidance image supports correct installation ranges
Autoexact compatibility chart highlights broad fitment for 5.7L vehicles
Autoexact warranty and support badge reassures after-purchase assistance

Autoexact Ignition Coil Pack & Iridium Spark Plug Set for 5.7L HEMI V8 — 8-Pack (UF504 / 92145)

Unlock peak performance with Autoexact UF504 8-pack Revitalize your 5.7L HEMI V8 with an engineered ignition coil...
Vendor: autoexact
Availability: In stock
£210.58
£210.58
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Autoexact ignition coil pack for reliable starts and smoother acceleration

Autoexact Ignition Coil Pack & Iridium Spark Plug Set for 5.7L HEMI V8 — 8-Pack (UF504 / 92145)

£210.58
Autoexact ignition coil pack for reliable starts and smoother acceleration
Autoexact iridium spark plugs deliver cleaner combustion for improved power
Autoexact coils pre-lubricated with green dielectric grease for easy fitment
Autoexact direct OE replacement design for quick, tool-friendly DIY upgrades
Autoexact engine bay view highlights organized installation path
Autoexact eight-pack contents ready for DIY replacement
Autoexact torque guidance image supports correct installation ranges
Autoexact compatibility chart highlights broad fitment for 5.7L vehicles
Autoexact warranty and support badge reassures after-purchase assistance

Autoexact Ignition Coil Pack & Iridium Spark Plug Set for 5.7L HEMI V8 — 8-Pack (UF504 / 92145)

£210.58
Description
Description
x

Unlock peak performance with Autoexact UF504 8-pack

Revitalize your 5.7L HEMI V8 with an engineered ignition coil and iridium spark plug set that emphasizes consistent sparks and full combustion. The combination is designed to minimize power loss and promote smoother acceleration across the RPM range. While results can vary by condition and driving style, owners may experience a more responsive feel and steadier idle in everyday use.

What you get in the kit

  • 4 Autoexact ignition coils built to OE-style fit, ready for plug-and-play installation
  • 4 pre-gapped iridium spark plugs for long life and reliable firing
  • Factory pre-lubricated with green dielectric grease to ease installation
  • Detailed torque guidance: 18.44–22.13 ft-lb (25–30 N·m) for coils, and 15 N·m for plugs
  • Includes identification references for UF504 and NGK 92145 compatibility

Key benefits you may notice

  • Strong ignition energy can support smooth starts and crisp throttle response
  • Cleaner combustion potential for steadier running and reduced misfire risk
  • Premium iridium plugs offer higher durability and sustained performance
  • Direct OE replacement with minimal tools required keeps DIY costs down

Installation and compatibility highlights

The set is designed as a direct OE replacement for many 5.7L vehicles including Ram, Durango, Grand Cherokee, Charger and Wagoneer models from 2008 to 2024. It’s a straightforward, kit-based upgrade that can fit most user garages without modification; refer to your VIN to confirm fitment.

Durability, testing, and warranty

Each unit undergoes voltage and sealing checks, and is backed by a 2-year warranty with lifetime expert support. This ensures you have assistance if you need guidance during installation or afterward.

FAQ

Q: Is this set a direct OE replacement and easy to install?

A: Yes. It is designed for plug-and-play installation with factory torque specs.

Q: Which vehicles and years does it fit?

A: Covers many 5.7L Ram, Durango, Grand Cherokee, Charger, Wagoneer models 2008–2024; confirm year, model, and VIN.

Shipping & Return
Shipping & Return
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Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Shipping

We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.

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