Skip to content Skip to navigation menu

Your Selected Vehicle

Brands

Show More Show Less

Price

Parts for your 2021 Ford Ranger-Spark plugs

Sort by
Repco 5/8 (16mm) Spark Plug Socket 1/2in Drive - RT21470

Repco 5/8 (16mm) Spark Plug Socket 1/2in Drive - RT21470

$38
Fitment Notes:
See More
Repco 5/8 (16mm) Spark Plug Socket 3/8in Drive - RT21808

Repco 5/8 (16mm) Spark Plug Socket 3/8in Drive - RT21808

$33
Fitment Notes:
See More
Repco Spark Plug Extension Bar 16mm - RT21844

Repco Spark Plug Extension Bar 16mm - RT21844

$65
Fitment Notes:
See More
Repco 13/16 (21mm) Spark Plug Socket 3/8in Drive - RT21810

Repco 13/16 (21mm) Spark Plug Socket 3/8in Drive - RT21810

$33
Fitment Notes:
See More
Repco 13/16 (21mm) Spark Plug Socket 1/2in Drive - RT21475

Repco 13/16 (21mm) Spark Plug Socket 1/2in Drive - RT21475

$38
Fitment Notes:
See More
GV Tools 3 Piece Spark Plug Socket Set - GV012

GV Tools 3 Piece Spark Plug Socket Set - GV012

$14
Fitment Notes:
See More
T&E Tools Ignition Spark Tester

T&E Tools Ignition Spark Tester

$39
Fitment Notes:
See More

Explore 4WD & Adventure

Mechpro Spark Plug Wrench 16mm - MPBE101

Mechpro Spark Plug Wrench 16mm - MPBE101

$12
Fitment Notes:
See More
Mechpro Spark Plug Wrench 2-In-1 16/21mm - MPBE102

Mechpro Spark Plug Wrench 2-In-1 16/21mm - MPBE102

$14
Fitment Notes:
See More
Toledo Spark Plug Gap Gauge - 302163

Toledo Spark Plug Gap Gauge - 302163

$5
Fitment Notes:
See More
Repco Spark Plug Extension Bar 21mm - RT24846
Clearance

Repco Spark Plug Extension Bar 21mm - RT24846

$29
Fitment Notes:
See More
Repco Petrol Cylinder Compression Tester - RST160

Repco Petrol Cylinder Compression Tester - RST160

$130
Fitment Notes:
See More
Toledo Spark Plug Starter - 302157
Clearance

Toledo Spark Plug Starter - 302157

$6
Fitment Notes:
See More
Repco Heavy Duty Spark Plug Boot Pliers - RST63

Repco Heavy Duty Spark Plug Boot Pliers - RST63

$46
Fitment Notes:
See More
Toledo Spark Plug Thread Chaser - 302168

Toledo Spark Plug Thread Chaser - 302168

$29
Fitment Notes:
See More
Toledo HD Spark Plug Firing Tester - 302167

Toledo HD Spark Plug Firing Tester - 302167

$36
Fitment Notes:
See More
T&E Tools Spark Plug Boot Pliers

T&E Tools Spark Plug Boot Pliers

$30
Fitment Notes:
See More
Powerbuilt Spark Plug Socket - 643004

Powerbuilt Spark Plug Socket - 643004

$8
Fitment Notes:
See More
Powerbuilt Spark Plug Socket - 643001

Powerbuilt Spark Plug Socket - 643001

$9
Fitment Notes:
See More
Toledo Spark Plug Thread Kit - 302300

Toledo Spark Plug Thread Kit - 302300

$42
Fitment Notes:
See More
Toledo Spark Plug Thread Kit 14mm - 302176

Toledo Spark Plug Thread Kit 14mm - 302176

$42
Fitment Notes:
See More
Powerbuilt Spark Plug Socket - 643005

Powerbuilt Spark Plug Socket - 643005

$11
Fitment Notes:
See More
Toledo Spark Plug Tool 21mm Hex - 302223

Toledo Spark Plug Tool 21mm Hex - 302223

$56
Fitment Notes:
See More
Toledo Spark Plug Tester - Box Type - 302165

Toledo Spark Plug Tester - Box Type - 302165

$22
Fitment Notes:
See More
T&E Tools Electronic Ignition Spark Tester

T&E Tools Electronic Ignition Spark Tester

$56
Fitment Notes:
See More
Toledo In-Line Ignition Spark Tester - 302026

Toledo In-Line Ignition Spark Tester - 302026

$32
Fitment Notes:
See More
Repco Universal Compression Tester Kit - RST179

Repco Universal Compression Tester Kit - RST179

$174
Fitment Notes:
See More
Toledo Drum Lid Opening Wrench - 305248

Toledo Drum Lid Opening Wrench - 305248

$204
Fitment Notes:
See More
Showing 1 - 32 of 32 products

Understanding and Maintaining Spark Plugs for Your 2021 Ford Ranger

For those who own a 2021 Ford Ranger, the spark plugs are an essential component worth understanding and maintaining. Spark plugs are integral to the operation of your vehicle's engine, playing a critical role in the combustion process that powers your Ranger. Proper maintenance of your spark plugs is not just about ensuring optimal performance, but also about longevity and fuel efficiency.

The 2021 Ford Ranger requires specific spark plugs that meet the manufacturer's specifications for the best performance. It's important to adhere to these requirements when considering replacement spark plugs. If you're considering changing the spark plugs yourself, or simply want to understand more about their maintenance, read on.

Spark plugs in the 2021 Ford Ranger ignite the air/fuel mixture in the engine's cylinders. This ignition is what powers the vehicle and allows it to function. Over time, spark plugs can become worn or fouled, which can lead to decreased engine performance, reduced fuel economy, or even difficulty starting the vehicle. Knowing when and how to replace your spark plugs can save you from potential hassles down the line.

  1. Signs Your Spark Plugs May Need Replacing
    • Difficulty starting the engine or experiencing misfires. If your Ranger has trouble starting or you notice the engine misfiring, it might be time to look at the spark plugs.
    • Lowered fuel efficiency. If you're noticing a sudden drop in your fuel economy, worn spark plugs could be the culprit.
    • Reduced acceleration performance. A noticeable lag when accelerating might indicate your ignition system, including the spark plugs, needs attention.
  2. Replacing Spark Plugs on the Ford Ranger

    When it's time to replace your spark plugs, the first step is ensuring you have the right type that matches the specifications for the 2021 Ford Ranger. This typically means consulting your owner's manual or a trusted source to make sure you're getting the correct parts.

    Once you've got your hands on the appropriate spark plugs, you'll need to gather the necessary tools. A socket set, a spark plug socket, and a gap gauge are the basics. To begin, always make sure the engine is cool to prevent burns. Carefully remove the spark plug wire from the old spark plug, noting its placement and any wire routing or clips. Once off, use your socket to remove the old plug.

    When installing the new spark plugs, it's wise to check the gap to ensure it meets the specifications outlined for your Ranger. Use the gap gauge to adjust if necessary. Once ready, hand-tighten the spark plugs into their sockets, then use the socket wrench to give them a final quarter-turn to secure them properly. Be cautious not to overtighten as this could damage the plug or threads.

    After replacing the spark plugs, reattach the wires or coils in their original positions. Double-check everything to ensure a snug fit. Once everything is in place, start the engine to check for smooth operation.

  3. Regular Maintenance and Inspection

    Regular inspection and maintenance are key to keeping your spark plugs and engine running smoothly. While the 2021 Ford Ranger doesn't require plug replacement as often as older models, it's still beneficial to check them periodically. Consider checking them every 30,000 to 50,000 kilometres for conventional plugs, or longer for platinum or iridium spark plugs which are built to last even further.

    During maintenance checks, inspect for signs of wear or carbon build-up, as well as the condition of the surrounding ignition components. Routine checks can spot issues early, preventing larger and more costly problems down the road.

Whether you decide to perform the replacement yourself or leave it to a professional, maintaining the spark plugs in your 2021 Ford Ranger is a straightforward process that contributes greatly to the vehicle's performance and efficiency. Regular maintenance ensures that your engine runs smoothly, helping you get the most out of your Ranger with every drive.