5.3 LS Rebuild Kit
5.3 LS Rebuild & Refresh Kits — Matched to Your RPO Code
Rebuild or refresh a GM 5.3L LS (LM7, L59, LM4, L33, LY5, LMG, LMF, LH6, LC9) with parts matched to your exact engine — standard-bore Mahle rings (1.5/1.5/3.0mm), King bearings, Fel-Pro gaskets, cams, springs and oil pumps.
Build my refresh kitPlan a full rebuildPick your RPO code
| RPO | Engine | |
|---|---|---|
| LM7 | 5.3L iron, Gen III, 1999–2007 trucks/SUVs | Build LM7 refresh kit → Full LM7 rebuild → |
| L59 | 5.3L iron flex-fuel, Gen III, 2002–2007 | Build L59 refresh kit → Full L59 rebuild → |
| LM4 | 5.3L aluminum, Gen III, 2003–2005 | Build LM4 refresh kit → Full LM4 rebuild → |
| L33 | 5.3L aluminum HO, Gen III, 2005–2007 | Build L33 refresh kit → Full L33 rebuild → |
| LY5 | 5.3L iron, Gen IV, AFM, 2007–2009 | Build LY5 refresh kit → Full LY5 rebuild → |
| LMG | 5.3L iron flex-fuel, Gen IV, AFM, 2008–2014 | Build LMG refresh kit → Full LMG rebuild → |
| LMF | 5.3L iron, Gen IV, 2010–2013 vans | Build LMF refresh kit → Full LMF rebuild → |
| LH6 | 5.3L aluminum, Gen IV, AFM, 2005–2009 | Build LH6 refresh kit → Full LH6 rebuild → |
| LC9 | 5.3L aluminum flex-fuel, Gen IV, AFM, 2007–2014 | Build LC9 refresh kit → Full LC9 rebuild → |
What we match for you
- Piston rings: Mahle 41859CP (3.780" bore, 1.5/1.5/3.0mm) — $65.99
- Gaskets: Fel-Pro HS26190PT4 head set ($225.99) + CS9284 conversion set ($163.99)
- Bearings: King and Dura-Bond main, rod and cam bearing sets
- Valvetrain: Texas Speed cams, spring kits, pushrods, timing sets and BTR / COMP trunnion kits
- Oiling: Melling oil pumps, rear covers, Fast Fish seals
Questions
Main, rod and cam bearings, a standard-bore piston ring set matched to your engine's ring grooves, head and lower gasket sets, crank seals, plus optional cam, lifters, pushrods, valve springs, timing set, oil pump and a rocker trunnion upgrade. Anything you want to keep — covers, oil pan, balancer — you mark "re-use mine" at no charge.
No. Order the parts kit and every part drop-ships from our suppliers to you, with a machine-shop spec sheet you can hand to your local shop. Or bring the engine to our Glendale, AZ shop and we rebuild it.
It's on the Service Parts Identification sticker in the glove box, console lid or spare-tire cover. You can also match the 8th digit of the VIN.