What is the main benefit of using MPG Plus ignition wires?

The MPG Plus ignition wires are designed to deliver a stronger, more consistent spark to your engine's spark plugs. This improved spark energy can lead to more efficient combustion, potentially improving fuel economy and engine performance.

Do these wires come with everything needed for installation?

These are a direct fit replacement for your factory ignition wires. While they are designed to install easily, it's always a good idea to check if your spark plugs and any associated hardware need replacement at the same time.

How long do these ignition wires typically last?

Granatelli builds these wires with durable materials to resist heat and vibration, aiming for a long service life. Like most ignition components, their lifespan can be affected by engine conditions and maintenance.

Specifications

Brand: Granatelli Motor Sports
Part #: 38-1609MPG
UPC: 802735032628

Granatelli 99-10 GMC Sierra Pickup 6Cyl 4.3L MPG Plus Ignition Wires

Name: Granatelli 99-10 GMC Sierra Pickup 6Cyl 4.3L MPG Plus Ignition Wires
Brand: Granatelli Motor Sports
SKU: granatelli-motor-sports-granatelli-99-10-gmc-sierra-pickup-6cyl-4-3l-mpg-plus-ig-t14-585661
Price: 164.59 USD
Availability: BackOrder

$164.59

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Fits 1999-2010 GMC Sierra 1500. Granatelli MPG Plus ignition wires for the 4.3L V6 engine. Improves spark energy for better performance.

Key Features

Fits 1999-2010 GMC Sierra 1500 and 2007 GMC Sierra 1500 Classic.
Designed for the 4.3L V6 engine.
MPG Plus ignition wires are built to deliver improved spark energy.
Helps ensure a more complete combustion for potentially better fuel economy.
Durable construction resists heat and vibration for long service life.
Direct fit replacement for factory ignition wires.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

Secure CheckoutFast Shipping631-982-0042

Will it fit your car?

Fits these vehicles

GMC Sierra 1500 1999-2010
GMC Sierra 1500 Classic 2007

About this part

Product Details

If you've got a 1999-2010 GMC Sierra 1500 with the 4.3L V6 engine, these MPG Plus ignition wires from Granatelli are a solid option for replacing your old, worn-out set. These wires are built to deliver a stronger spark to your spark plugs, which can help your engine run more efficiently and smoothly. Over time, stock wires can degrade, leading to misfires, rough idling, and a general loss of power, so a fresh set makes a noticeable difference.

Granatelli designed these wires with a focus on improved spark energy transfer. They use a special conductor material and a durable outer jacket to ensure that the electrical current gets to the plugs with minimal loss. This means you can expect a more complete burn in your cylinders, potentially leading to improved fuel economy and a more responsive throttle. They're made to fit right, so installation should be straightforward, replacing your factory wires directly.

When you're replacing spark plug wires, it's a good time to inspect your spark plugs and coil packs to make sure everything is in good shape. A complete tune-up ensures your engine is getting the best possible spark.