EJCP.PARTS

HONDA R-SERIES

The Honda R engine is an inline-four engine launched in 2006 for the Honda Civic (Non-Si). It is fuel injected, has an aluminum-alloy cylinder block and cylinder head, is a SOHC 16-valve design (four valves per cylinder) and utilizes Honda's i-VTEC system. The R series engine has a compression ratio of 10.5:1, features a "drive by wire" throttle system which is computer controlled to reduce pumping losses and create a smooth torque curve. The engine uses many advanced technologies to improve fuel economy and reduce friction. Piston rings are given an ion plating and weight is reduced with plastic and aluminum parts and variable length intake manifolds that maintain ram air at a wide RPM range. The engine also features piston cooling jets, previously available only on high performance engines, and in the ninth generation 1.8L Civic (2012 and newer) the pistons are treated with molybdenum disulfide applied in a polka-dot pattern. The automatic transmission model is rated at California Air Resources Board (CARB) ULEV-2 (Ultra Low Emissions Vehicle) with fuel economy 25 mpg-US (9.4 L/100 km; 30 mpg-imp) city, and 36 mpg-US (6.5 L/100 km; 43 mpg-imp) highway. It also uses the same computer (engine control unit) controlled distributorless coil-on-plug ignition as the Honda K-series engines.[WIKI]

SIZES BLOCK MATERIAL HEAD MATERIAL CAM TYPE FUEL SYSTEM
1.8/2.0 ALUMINUM ALUMINUM SOHC MPFI

ITEMS

BRACKETS EXHAUST MANIFOLD INTAKE MANIFOLD OIL PAN PISTON
SENSORS TIMING COVER TIMING SET VALVE COVER VALVE INFORMATION

LISTING TEMPLATES

SIZES COMPATABILITY ENGINE TEMP HEAD TEMP CRANK TEMP NOTES
R18A1 06-11 CIVIC R-SERIES A R-SERIES A ***** ***********
R18A4 06-11 CIVIC R-SERIES B R-SERIES B ***** CNG
R18Z1 12-13 CIVIC R-SERIES C R-SERIES C ***** ***********
R18Z1 12-13 CIVIC R-SERIES E R-SERIES C ***** CNG
R20A5 13-14 ILX R-SERIES D R-SERIES D ***** ***********

VALVE INFORMATION EXHAUST

MAKE MODEL YEAR RANGE
ACURA ILX 2013-2015
HONDA CIVIC 1998-2011
HONDA DEL SOL 1993-1997
TYPE HEAD DIAMETER STEM DIAMETER O.A.L. GROOVES LOCATION
EXHAUST 26 5.5 116 1 *HON18AU

INTAKE VALVE INFORMATION 1

MAKE MODEL YEAR RANGE
HONDA CIVIC 2006-2011
TYPE HEAD DIAMETER STEM DIAMETER O.A.L. GROOVES LOCATION
INTAKE 32 5.5 116.7 1 *HON18AU

INTAKE VALVE INFORMATION 2

MAKE MODEL YEAR RANGE
ACURA ILX 2013-2015
TYPE HEAD DIAMETER STEM DIAMETER O.A.L. GROOVES LOCATION
INTAKE **** **** **** **** *HON20AU

CAMSHAFT POSITION SENSOR

CRANKSHAFT POSITION SENSOR

VARIABLE VALVE TIMING CONTROL ASSEMBLY
2006-2011 CSX
2002-2004 RSX
2002-2011 CIVIC

VARIABLE VALVE TIMING CONTROL ASSEMBLY
2013 ILX
2012-2013 CIVIC