Honda K24A8 Engine

The K24A8 is a 2.4L Honda K-series engine designed for reliability and daily use, offering moderate power output, good fuel economy, and long service life. It uses i-VTEC with VTC (not performance-oriented VTEC systems) and is widely known as a durable but economy-focused engine used in mid-size Honda vehicles.

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Part Name OEM Number Remarks
Complete Cylinder Head Assembly (With Camshafts & Valves) 10003-PPA-A02 Full assembled head, casting mark PPA
Bare Cylinder Head (No Valve Train) 11000-PPA-A00 Empty cylinder head shell for remanufacturing
Intake Camshaft 14110-PPA-000 i-VTEC intake camshaft, variable lift mechanism
Exhaust Camshaft 14210-PPA-000 Exhaust camshaft, interchangeable with K24A4
Single Intake Valve 14711-PNA-000 Standard size intake valve
Single Exhaust Valve 14721-PNA-000 Standard size exhaust valve
Universal Valve Oil Seal (Intake & Exhaust) 12210-PPA-003 Single valve stem oil seal
Valve Spring Assembly (Inner + Outer) 14751-PPA-000 Complete spring set per valve
Cylinder Head Bolt Full Kit (10 Pcs) 90004-PPA-A00 Torque-to-yield head bolt set
Valve Guide Sleeve 12231-PPA-000 Replacement valve guide for overhaul
Part Name OEM Number Remarks
Complete Forged Crankshaft Assembly 13310-RAA-A00 K24A8 exclusive crankshaft, 87mm bore / 99mm stroke
Standard Main Bearing Set (STD, 5 pairs) 13315-PPA-000 Upper & lower crankshaft main bearings
Crankshaft Thrust Washer Set 13316-PPA-000 Axial positioning thrust shims
Single Complete Connecting Rod 13210-PPA-A00 4 rods total for 4 cylinders, casting PPA
Standard Connecting Rod Bearing (STD Single Pair) 13215-PPA-000 Big end bearing for connecting rod
Connecting Rod Bolt (Single) 90014-PPA-A00 Fastening bolt for connecting rod cap
STD Complete Piston (With Pin & Circlip) 13010-RAA-A01 Dish-top piston for K24A8 i-VTEC
Piston Ring Set (Single Cylinder, 3 Rings) 13030-RAA-A00 2 compression rings + 1 oil control ring
Piston Wrist Pin 13041-PPA-000 Pin connecting piston and connecting rod
Part Name OEM Number Remarks
Full Engine Overhaul Gasket Kit (All Upper & Lower Seals) 06110-PPA-A010 Includes oil pan gasket, front/rear crankshaft oil seals, all small gaskets
Valve Grind Top Gasket Set (Cylinder Head Only) 06120-PPA-A00 Only for cylinder head disassembly, excludes oil pan gasket
MLS Multi-Layer Steel Cylinder Head Gasket 12251-RAA-A01 Reinforced metal head gasket
Rubber Valve Cover Gasket 12341-PPA-000 Full perimeter valve cover seal
Intake Manifold Gasket Set (4 Runner Gaskets) 17105-PPA-000 Full set for single-piece intake manifold
Exhaust Manifold Gasket 18115-PPA-000 Single exhaust manifold gasket
Front Crankshaft Oil Seal (Timing Side) 91212-PPA-003 Timing gear end oil seal
Rear Main Crankshaft Oil Seal (Flywheel Side) 91214-PPA-003 Large rear crank seal at transmission housing
Oil Pan Gasket 11251-PPA-000 Aluminum oil pan rubber seal gasket
Part Name OEM Number Remarks
Primary Timing Chain 14401-PPA-000 Main timing chain connecting crankshaft & camshafts
Hydraulic Timing Chain Tensioner 14510-PPA-003 Automatic hydraulic chain adjuster
Timing Chain Guide & Damper Rail Kit 14530-PPA-000 Upper & lower sliding timing guides
Complete Engine Oil Pump Assembly 15100-RAA-A02 Front-mounted oil pump with pressure regulator valve
Oil Pump Drive Small Chain 15131-PPA-000 Short chain driving oil pump gear
i-VTEC Oil Control Solenoid Valve (OCV) 15830-PPA-A01 Variable valve timing hydraulic control valve
K24A8 factory fitted for 2006–2007 Honda Accord CM5 2.4L, 2007–2009 Honda Element; Compatible partial CR-V RE4 models for overseas export market.