I assume you are referring to the serpentine belt, also known as the drive belt or accessory belt, in a vehicle’s engine.

The serpentine belt is a long, continuous belt that drives various engine accessories and components, such as the alternator, power steering pump, air conditioning compressor, water pump, and sometimes the radiator fan. It is responsible for transferring power from the engine’s crankshaft pulley to these accessories, allowing them to operate effectively.

Here are some key points about the serpentine belt:

  1. Material: Serpentine belts are typically made of durable materials like rubber reinforced with fibers or cords, often incorporating materials like Kevlar for added strength and longevity.
  2. Tensioner Pulley: A serpentine belt system usually includes a tensioner pulley. This pulley is designed to keep the belt properly tensioned, ensuring optimal performance and preventing slippage.
  3. Routing: The serpentine belt follows a specific routing path dictated by the manufacturer. It wraps around various pulleys on each accessory and the crankshaft pulley in a serpentine pattern, hence the name “serpentine belt.”
  4. Maintenance and Replacement: Serpentine belts are subject to wear and tear over time due to constant use and exposure to heat and contaminants. Regular inspection is necessary to check for signs of cracking, fraying, or excessive wear. If any of these issues are present, it’s crucial to replace the belt promptly to avoid unexpected belt failure and subsequent loss of accessory operation.
  5. Belt Tension: Proper belt tension is essential for optimal performance. The tensioner pulley automatically maintains the correct tension in most modern vehicles. However, some older vehicles may require manual adjustment of the tension using a separate component called a belt tensioner.

The serpentine belt plays a vital role in the operation of various engine accessories, ensuring their proper functionality. Regular inspection and timely replacement are essential for optimal performance and reliability of the vehicle’s accessory systems.

It’s important to consult the vehicle’s owner’s manual or follow the manufacturer’s recommendations regarding serpentine belt maintenance and replacement intervals. Additionally, if you notice any signs of belt damage or irregularities, it is advisable to have a qualified mechanic inspect and replace the belt as needed.

Toyota–丰田         车型 排量 发动机(底盘号) 皮带型号 年款 RAV4 2.4L 2AZ-FE 7PK1935     AZ 7PK1935 09款→13款     6PK1230 16款→ 威驰 1.0L 1SZ-FE 4PK1770 99款→01款 1.3L 2SZ-FE 6PK1755 06款→07款 2NZ-FE 4PK1210 08款→ 1.3L/1.5L 5A-FE/8A-FE 4PK830 03款→06款 3PK620 03款→06款 117MY21 03款→06款 5PK960 03款→06款 1.5L 1ZR-FE 6PK1230 08款→ 3SZ-FE 6PK1755 07款   AR 4PK820 03款→08款     6PK1150 13款→18款 逸致 1.6L 1ZR-FE 6PK1230   1.8L 3ZR-FE 6PK1245   老款佳美 2.0L 5S-FE 3PK750   163S8M27   5PK1110   2.2L 3S-FE 3PK760   163S8M27   5PK1100   2.4L 2AZ-FE 7PK1930   老款佳美VCV10 3.0L 3VZ 4PK805   191S8M32   6PK1050   花冠 1.8L 1ZZ-FE 6PK1880 04款→07款 雅力士 1.3L 2NZ-FE 4PK1210 09款→ 1.5L 3SZ 3PK850 01款→06款 4PK1180 01款→06款 1.6L 1ZR-FE 6PK1230 09款→ 皇冠 2.5L 5GR-FE 7PK1550 05款→ 3.0L 3GR-FE 7PK1550 05款→ 4.3L 3UZ-FE 211S8M34   6PK2125   皇冠JZS133   2JZ 143MY25   6PK1940   皇冠JZS155   1JZ 137XY25   6PK1930   考斯特   14B RECMF1440 04款 RECMF1515 04款   3RZ-FE 5PK890     15B RECMF6505   RECMF1455     3RZ-FE 4PK1100   5PK980   考斯特4.2D     7PK1350   考斯特TRB53 3.5L 2TR-FE 5PK990   7PK1870   考斯特老款   14B RECMF1440 98款 RECMF1480 98款 沙漠王子HZB50   1HZ RECMF1545   车型 排量 发动机(底盘号) 皮带型号 年款 沙漠王子HZB50   1HZ 94MR25   RECMF1395   新雅力士 1.6L   6PK1150 14款→ 新凯美瑞 2.0L AZ 7PK1960 11款→14款 2.5L AR 6PK1255 11款→14款 大霸王ACR30   2AZ-FE 7PK1920   大霸王ACR50   2AZ-FE 7PK1905   大霸王TCR10     4PK720       6PK820   特锐 1.3L   3PK640     4PK1645   普瑞维拉 2.4L 2AZ-FE 7PK1905   3.5L 2GR-FE 7PK1550   普拉多 2.7L 2TR-FE 7PK2280   雷凌 1.8L   6PK1220 14款→ 埃尔杰 2.4L 2AR-FE 6PK1250     2GR-FE 7PK1550   霸道2700 2.7L 2TR-FE 7PK2280   霸道4000 GRJ120   1GR-FE 7PK2120   霸道4000 GRJ150   1GR-FE 7PK2150 09款→ 霸道4500   FZJ80 RECMF6350   RECMF1445   霸道RZJ120 2.7L 3RZ-FE 4PK940   4PK1110   5PK865   霸道RZJ95 2.7L 3RZ-FE 4PK910   4PK1110   5PK865   杰路驰 2.5L 2AR-FE 6PK1250   兰德酷路泽 4.6L 1UR 8PK2410   兰德酷路泽 GRJ200 4.0L 1GR-FE 7PK2120   凯美瑞 2.0L 1AZ-FE 7PK1935 05款→11款 7PK1960 12款→ AR 6PK1255 15款→ 2.4L 2AZ-FE 7PK1935 05款→11款 7PK1960 12款→ 凯美瑞*骏瑞 2.5L 5AR-FE 6PK1260 12款→ 卡罗拉 1.6L 1ZR-FE 6PK1230 06款→ 6PK1220 08款→ 1.8L 2ZR-FE 6PK1240 09款→     6PK1220 14款→19款 汉兰达 2.0T AR 6PK1670 15款→ 2.7L 1AR-FE 6PK1248 09款→ 3.5L 2GR-FE 7PK1550 09款→ 红杉 5.7L 3UR-FE 8PK2410   经典凯美瑞 2.0L/2.4L AZ 7PK1935 05款→15款 锐志 2.5L 5GR-FE 7PK1550 05款→ 陆地巡洋舰3400   5VZ-FE 4PK870   4PK1070   191XY36   4PK1050  

Lexus–雷克萨斯           车型 排量 发动机(底盘号) 适用位置 皮带型号 年款 4700   1UZFE 正时 211S8M34   电机/助力/空调 6PK2200   电机/助力/空调 6PK2240   ES240   2GR-FE 电机/助力/空调 7PK2090 10款→ ES300 MCV10   1MZ 助力 4PK880   正时 211XY32   风扇/空调 6PK1035   ES350 3.5L 2GR-FE 电机/助力/空调 7PK2090 10款→ GSV40   2GR-FE 电机/助力/空调 7PK2090 06款→09款 GX450 3.5L 2GR-FE 电机/助力/空调 7PK2090 10款→ GX460 4.6L 3URFE 电机/助力/空调 8PK2410 10款→ IS200   1G-FE 空调 4PK900   助力 3PK890   正时 129XY27   风扇 4PK1070   LS400   1UZFU 正时 209S8M34   电机/助力/空调 6PK2245   LS460 4.6L 1UZ 电机/助力/空调 6PK2310 10款→ LX570   3URFE 电机/助力/空调 8PK2410 08款→ RX270 2.7L 1AR-FE 电机/助力/空调 6PK1265 11款→ RX300   3MZ 助力 4PK880   正时 211XY32   风扇 6PK1040   RX350 3.5L 2GR-FE 电机/助力/空调 7PK2070 11款→

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