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Timing chain kit Masuma, 1AR, 2AR, MGR-1007

Article: MGR-1007
About product
Applicability
OEM
Body/Volume Installation period Car configuration
ASV60L 2012.06-2018.06 2.5L GASOLINE 2ARFE EFI (184 PS / 135 kW) Front-wheel drive. Left Hand Drive
Body/Volume Installation period Car configuration
AVV60L 2012.06-2014.07 2.5L GASOLINE 2ARFXE EFI (160 PS / 118 kW) Front-wheel drive. Left Hand Drive
AVV60L 2012.06-2015.07 2.5L GASOLINE 2ARFXE EFI (160 PS / 118 kW) Front-wheel drive. Left Hand Drive
Body/Volume Installation period Car configuration
AYZ10L 2014.07-2014.08 2.5L GASOLINE 2ARFXE EFI (155 PS / 114 kW) Front-wheel drive. Left Hand Drive
AYZ15L 2014.07-2014.08 2.5L GASOLINE 2ARFXE EFI (155 PS / 114 kW) Four-wheel drive (4WD). Left Hand Drive
Body/Volume Installation period Car configuration
AGL10L 2010.08-2014.07 2.7L GASOLINE 1ARFE EFI (188 PS / 138 kW) Front-wheel drive. Left Hand Drive
AGL10W 2010.08-2014.07 2.7L GASOLINE 1ARFE EFI (188 PS / 138 kW) Front-wheel drive. Right Hand Drive
Body/Volume Installation period Car configuration
AVX40L 2012.11-2014.07 2.5L GASOLINE 2ARFXE EFI (154 PS / 113 kW) Front-wheel drive. Left Hand Drive
Body/Volume Installation period Car configuration
ASV40L 2009.01-2011.08 2.5L GASOLINE 2ARFE EFI (179 PS / 132 kW) Front-wheel drive. Left Hand Drive
ASV40L 2009.03-2011.09 2.5L GASOLINE 2ARFE EFI (179 PS / 132 kW) Front-wheel drive. Left Hand Drive
ASV50L 2011.09-2014.07 2.5L GASOLINE 2ARFE EFI (178 PS / 131 kW) Front-wheel drive. Left Hand Drive
ASV50L.EUR 2011.08-2014.07 2.5L GASOLINE 2ARFE EFI (181 PS / 133 kW) Front-wheel drive. Left Hand Drive
ASV50L.RUS 2011.08-2014.07 2.5L GASOLINE 2ARFE EFI (181 PS / 133 kW) Front-wheel drive. Left Hand Drive
AVV50 2011.08-2014.07 2.5L GASOLINE 2ARFXE EFI Front-wheel drive. Right Hand Drive
AVV50L 2011.10-2014.07 2.5L GASOLINE 2ARFXE EFI (160 PS / 118 kW) Front-wheel drive. Left Hand Drive
AVV50L.EUR 2011.08-2014.07 2.5L GASOLINE 2ARFXE EFI (160 PS / 118 kW) Front-wheel drive. Left Hand Drive
Body/Volume Installation period Car configuration
AVU65W 2014.01-2014.07 2.5L GASOLINE 2ARFXE EFI (152 PS / 112 kW) Four-wheel drive (4WD). Right Hand Drive
Body/Volume Installation period Car configuration
ASU40L 2008.11-2010.07 2.7L GASOLINE 1ARFE EFI (187 PS / 138 kW) Front-wheel drive. Left Hand Drive
ASU40L 2009.10-2010.08 2.7L GASOLINE 1ARFE EFI (187 PS / 138 kW) Front-wheel drive. Left Hand Drive
ASU40L 2010.08-2013.12 2.7L GASOLINE 1ARFE EFI (187 PS / 138 kW) Front-wheel drive. Left Hand Drive
Body/Volume Installation period Car configuration
ASA33L 2008.11-2013.01 2.5L GASOLINE 2ARFE EFI (179 PS / 132 kW) Four-wheel drive (4WD). Left Hand Drive
ASA38L 2008.08-2012.12 2.5L GASOLINE 2ARFE EFI (179 PS / 132 kW) Front-wheel drive. Left Hand Drive
ASA38L 2008.11-2013.01 2.5L GASOLINE 2ARFE EFI (179 PS / 132 kW) Front-wheel drive. Left Hand Drive
ASA38L 2009.04-2013.01 2.5L GASOLINE 2ARFE EFI (179 PS / 132 kW) Front-wheel drive. Left Hand Drive
ASA42L 2012.12-2014.07 2.5L GASOLINE 2ARFE EFI (180 PS / 132 kW) Front-wheel drive. Left Hand Drive
ASA42L 2013.01-2014.07 2.5L GASOLINE 2ARFE EFI (176 PS / 129 kW) Front-wheel drive. Left Hand Drive
ASA44L 2012.12-2014.07 2.5L GASOLINE 2ARFE EFI (180 PS / 132 kW) Four-wheel drive (4WD). Left Hand Drive
ASA44L 2013.01-2014.07 2.5L GASOLINE 2ARFE EFI (176 PS / 129 kW) Four-wheel drive (4WD). Left Hand Drive
Body/Volume Installation period Car configuration
ASL30L 2010.05-2013.08 2.7L GASOLINE 1ARFE EFI (187 PS / 138 kW) Front-wheel drive. Left Hand Drive
Body/Volume Installation period Car configuration
AGV10L 2009.01-2012.05 2.7L GASOLINE 1ARFE EFI (182 PS / 134 kW) Front-wheel drive. Left Hand Drive
AGV15L 2009.01-2012.05 2.7L GASOLINE 1ARFE EFI (182 PS / 134 kW) Four-wheel drive (4WD). Left Hand Drive

MASUMA MGR-1007 timing chain kit for the 1AR, 2AR engines, used in TOYOTA cars (AVALON, CAMRY, CAMRY, CAMRY, HARRIER, HIGHLANDER, RAV4, SIENNA, VENZA), andLEXUS cars (ES250, ES300H, ES300H, NX300H, NX300H, RX270, RX270).

Equipment:

  • Timing chain (124 links; 1, 9, 38 are marking)
  • Timing chain hydraulic tensioner
  • Timing chain tensioner bar
  • Timing chain damper
  • Timing chain guide
  • Crankshaft gear

Masuma designed the full set for the timing chain replacement, which provides comprehensive maintenance of the timing mechanism. Masuma timing chains are produced of high-quality alloys, which are special for wearing resistance and durability. The chain rollers are nitrocarburized , so their surface layer is hardened.

  • Ultimate strength (mechanical stress): 13KN (~1325 kg)
  • Outer plate (material – 40Mn, hardness – 47–51HRC)
  • Inner plate (material – 50CrV, hardness – –52HRC)
  • Pin (material – 38CrMoAl, hardness – 88-92HR15N)
  • Roller (material – 20CrNiMo, hardness – 88-92HE15N, nitrocarburizing – 0.15–0.25 mm)

Masuma timing chain tensioner shoes efficiently reduce the timing chain vibration amplitude. They are covered with a heavy-duty polymer, which extends the lifetime.

Timing chain dampers eliminate the residual vibration from the tensioner and prevent the chain from jumping off the camshaft and crankshaft sprockets. They also reduce the noise level. Full replacement of all the assembly parts guarantees the correct operation of the timing mechanism.

As laboratory tests show, slight shifts in the timing angle appear after 19 102 hours of operation under variable loads (bench tests were applied to 1ZZ-FE, SR20). The break-in stand showed a slight shift in the timing angle after 357 000 km. Real world testing shows ~ 241 000 - 287 000 km. According to the tests, the lifetime of the Masuma timing chain kit is at least 200 000 km.

Masuma is a world brand for spare parts, accessories and consumable items for cars. The main brand field is consumables for post-warranty service of the Japanese cars. The company strategy is offering the customers the best reliability and price balance for parts. All the products are produced at dozens of plants, located in East Asia, by the order, technologies and under control of the head company, which is Masuma Auto Spare Parts Co., LTD (Tokyo, Japan).

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