Fuel Injector Replacement Cost (2026)

July 21, 2026

By Ryan Bates, Marine Mechanic

Fuel injector work causes sticker shock, and for good reason. It's one of those repairs where the quote can be $400 or $4,000 depending on your vehicle, and most people have no idea why. So let's put real numbers to it, and then talk about the option most shops won't mention.

What Fuel Injector Replacement Actually Costs

Across common gas vehicles, the average injector job runs $742 to $953, split roughly into $465 to $547 in parts and $277 to $406 in labor. But that average hides a huge range. The real spread is $300 on the low end to over $4,000, depending on how many cylinders you have, whether it's port or direct injection, and how buried the injectors are.

Per injector, here's the breakdown:

• The part alone: $50 to $300, depending on the vehicle and whether it's OEM or aftermarket
• Port injector, installed: $150 to $350 each
• GDI (direct injection), installed: $350 to $700 each
• A full set: $600 to $2,000 for port, $1,200 to $4,000 for GDI

Replacement Cost by Vehicle

Real shop estimates for common vehicles give you a feel for the range. These are typical quotes for the job, and they climb when you do a full set or the injectors are hard to reach:

Vehicle	Typical replacement cost
Honda Civic	$460 - $560
Toyota Corolla	$670 - $830
Ford F-150	$710 - $880
Honda Accord	$845 - $1,010
Toyota Camry	$870 - $1,050
Chevy Silverado 1500	$1,120 - $1,390
BMW 335i (N54)	$1,700 - $3,000+

The BMW is a good example of how bad it gets on the wrong engine. The N54 is notorious for injector failure, and a full set runs $1,500 to $3,000 because the parts are expensive and BMW revised them multiple times. That's a whole boat payment to replace six injectors.

Why the Cost Swings So Much

Four things drive the number:

• Cylinder count. Each cylinder has its own injector, so a V8 costs roughly twice a four-cylinder for the same job.
• Port vs. GDI. This is the big one. Direct injection injectors cost 2 to 3 times what port injectors do.
• Access. Some injectors sit right on top; others need the intake manifold, fuel rail, and half the top of the engine removed to reach. Labor time follows.
• OEM vs. aftermarket parts. Genuine injectors cost more than aftermarket, and on the wrong platform, cheap aftermarket ones fail early anyway.

Why GDI Injectors Cost So Much More

If your vehicle is direct injection, brace yourself. The parts alone are $200 to $500 each because they operate at far higher pressure than port injectors. And the job is more involved: it usually means pulling the intake, new single-use high-pressure lines, correctly sized Teflon seals, and sometimes coding the injectors to the ECU. That's how a GDI set climbs toward $4,000. It's also why cleaning a GDI injector, when it's just dirty, saves so much more than cleaning a port injector does.

The Option Most Shops Skip: Clean, Don't Replace

Here's the thing a lot of shops won't lead with, because they make more replacing than cleaning: most injectors that get replaced were never broken. They were just dirty. Clogged nozzles, varnish from ethanol fuel, a weak spray pattern, a leaking seat. All of that comes back with professional fuel injector cleaning and flow testing, and none of it requires a new part.

The cost difference isn't close:

Job	Cost
Clean a set of 4 (our shop)	~$135
Clean a set of 6 (our shop)	~$225
Replace a set of 4-6 (port)	$600 - $2,000
Replace a set of 4-6 (GDI)	$1,200 - $4,000

We charge $30 to $35 per injector plus $15 flat round-trip shipping. We've had injectors come in flowing less than half of spec and leave at full flow, documented in our recently serviced database. A bottle of cleaner in the tank won't do it, but proper off-car cleaning will, for a fraction of replacement. We go deeper on that decision in our cleaning vs. replacement guide.

When Replacement Is Actually Worth It

To be straight with you, cleaning isn't magic. Replace instead of clean when an injector has a real physical fault:

• An open or shorted coil (the injector won't fire)
• A worn or scored pintle that won't seal after cleaning
• Internal corrosion from water-contaminated fuel
• A cracked body or physical damage

The only way to know which camp your injectors are in is to test them. That's exactly why we flow test every injector before and after, so you replace only the few that actually fail instead of buying a whole set on a guess.

A Note on Marine and Powersports

If it's an outboard, PWC, or motorcycle, the math is even more lopsided. New marine injectors run $100 to $300+ each, so a set of six for a Yamaha or Mercury can be $600 to $1,800. Those injectors clean up just as well as automotive ones, and it's the bulk of what we do. See our marine injector cleaning service if that's you.