CAT For Caterpillar Perkins C6.6 1PS Fuel Injector 2645A749 320-0690 306-9390 Generic

I was having issues with my fuel injectors, and this replacement fixed the problem immediately. The injector worked flawlessly after installation, and my truck runs much smoother now.

After installing them in a 6.6L Duramax, we noticed immediate improvement in engine performance, with smoother idle and better throttle response.

The engine performance has noticeably improved, with smoother acceleration and better fuel efficiency.

They fit perfectly and have significantly improved engine performance. Installation was straightforward, and the quality is excellent.

Great solution to my problem and good service!