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Gates 38070 Accessory Drive Belt Idler Pulley - Air Conditioning or Air Conditioning and Air Pump
Reliable Accessory Drive Belt Idler Pulley for BMW Models
The Gates DriveAlign Premium OE Pulley 38070 is engineered to provide consistent performance for your BMW 318i, 318is, 318ti, M3, and Z3 models. Designed with precision thermoplastic material, this accessory drive belt idler pulley ensures smooth operation within the belt system.
- Constructed from durable thermoplastic for long-lasting use
- Outside diameter of 80 mm and width of 21 mm for precise fitment
- Single pulley design with a smooth backside contact surface
- Bearing bore inside diameter of 8 mm for compatibility with OEM specifications
- Non-flanged pulley design suitable for specific BMW accessory drive systems
About the DriveAlign Premium OE Pulley Product Line
The DriveAlign Premium OE Pulley line by Gates focuses on delivering original equipment quality replacement parts. This product line emphasizes exact fit and reliable performance, matching the specifications of the original pulleys used in BMW vehicles. The 38070 pulley maintains the integrity of the accessory drive belt system, helping to reduce wear and maintain proper belt tension.
Detailed Product Description
This accessory drive belt idler pulley features a smooth backside contact surface and no grooves, designed to work seamlessly within the accessory drive belt system of select BMW models. The thermoplastic construction offers resistance to heat and wear, while the 8 mm bearing bore ensures compatibility with factory components. With an outside diameter of 80 mm and a width of 21 mm, the pulley fits precisely in the designated mounting location, supporting belt alignment and tension.
Common Applications and Issues Addressed
- Replacement for worn or damaged idler pulleys in BMW 318i, 318is, 318ti, M3, and Z3 models
- Helps resolve belt misalignment and slipping issues
- Prevents premature belt wear caused by faulty pulleys
- Reduces noise and vibration in the accessory drive system
- Maintains proper belt tension for optimal engine accessory performance
Installation Notes and Tips
Ensure the pulley is installed in the correct orientation with the smooth backside contact surface facing the belt. Verify the bearing bore diameter matches the mounting hardware to avoid fitment issues. It is recommended to inspect the entire accessory drive belt system during installation and replace any worn belts or tensioners to maintain system integrity.
Quality Assurance and Warranty
Gates DriveAlign Premium OE Pulley 38070 is manufactured to meet or exceed OEM standards for fit, form, and function. While specific warranty details are not provided, Gates products typically come with a limited warranty against defects in material and workmanship. Using this pulley helps ensure reliable operation of your BMW accessory drive belt system.
| Brand | Gates |
| Part Number | 38070 |
| Position | DriveAlign Premium OE Pulley, Air Conditioning and Air Conditioning and Air Pump |
| Material | Thermoplastic |
| Pulley 1 Flanged | No |
| Bearing Bore Inside Diameter | 8 |
| Groove Quantity | 0 |
| Width | 21 |
| Outside Diameter | 80 |
| Pulley Quantity | 1 |
| Bearing Bore Inside Diameter 1 (mm) | 8 |
| Contact Surface | Smooth/backside |
| Contents | Pulley |
| Number of Grooves | 0 |
| Number of Pulleys | 1 |
| Outside Diameter (mm) | 80 |
| Pulley 1 Flanged | No |
This part fits 33 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1999 | BMW | 318i | 1.9L | L4 | GAS | Air Conditioning | DriveAlign Premium OE Pulley |
| 1999 | BMW | 318is | 1.9L | L4 | GAS | Air Conditioning | DriveAlign Premium OE Pulley |
| 1999 | BMW | 318ti | 1.9L | L4 | GAS | Air Conditioning | DriveAlign Premium OE Pulley |
| 1999 | BMW | Z3 | 3.2L | L6 | GAS | Air Conditioning | DriveAlign Premium OE Pulley |
| 1998 | BMW | 318i | 1.9L | L4 | GAS | Air Conditioning | DriveAlign Premium OE Pulley |
| 1998 | BMW | 318is | 1.9L | L4 | GAS | Air Conditioning | DriveAlign Premium OE Pulley |
| 1998 | BMW | 318ti | 1.9L | L4 | GAS | Air Conditioning | DriveAlign Premium OE Pulley |
| 1998 | BMW | M3 | 3.2L | L6 | GAS | Air Conditioning | DriveAlign Premium OE Pulley |
| 1998 | BMW | Z3 | 1.9L | L4 | GAS | Air Conditioning | DriveAlign Premium OE Pulley |
| 1998 | BMW | Z3 | 3.2L | L6 | GAS | Air Conditioning | DriveAlign Premium OE Pulley |
| 1997 | BMW | 318i | 1.9L | L4 | GAS | Air Conditioning | DriveAlign Premium OE Pulley |
| 1997 | BMW | 318is | 1.9L | L4 | GAS | Air Conditioning | DriveAlign Premium OE Pulley |
| 1997 | BMW | 318ti | 1.9L | L4 | GAS | Air Conditioning | DriveAlign Premium OE Pulley |
| 1997 | BMW | M3 | 3.2L | L6 | GAS | Air Conditioning | DriveAlign Premium OE Pulley |
| 1997 | BMW | Z3 | 1.9L | L4 | GAS | Air Conditioning | DriveAlign Premium OE Pulley |
| 1996 | BMW | 318i | 1.9L | L4 | GAS | Air Conditioning | DriveAlign Premium OE Pulley |
| 1996 | BMW | 318is | 1.9L | L4 | GAS | Air Conditioning | DriveAlign Premium OE Pulley |
| 1996 | BMW | 318ti | 1.9L | L4 | GAS | Air Conditioning | DriveAlign Premium OE Pulley |
| 1996 | BMW | M3 | 3.2L | L6 | GAS | Air Conditioning and Air Pump | DriveAlign Premium OE Pulley |
| 1996 | BMW | Z3 | 1.9L | L4 | GAS | Air Conditioning | DriveAlign Premium OE Pulley |
| 1995 | BMW | 318i | 1.8L | L4 | GAS | Air Conditioning | DriveAlign Premium OE Pulley |
| 1995 | BMW | 318is | 1.8L | L4 | GAS | Air Conditioning | DriveAlign Premium OE Pulley |
| 1995 | BMW | 318ti | 1.8L | L4 | GAS | Air Conditioning | DriveAlign Premium OE Pulley |
| 1995 | BMW | M3 | 3.0L | L6 | GAS | Air Conditioning and Air Pump | DriveAlign Premium OE Pulley |
| 1994 | BMW | 318i | 1.8L | L4 | GAS | Air Conditioning | DriveAlign Premium OE Pulley |
| 1994 | BMW | 318is | 1.8L | L4 | GAS | Air Conditioning | DriveAlign Premium OE Pulley |
| 1994 | BMW | M3 | 3.0L | L6 | GAS | Air Conditioning and Air Pump | DriveAlign Premium OE Pulley |
| 1993 | BMW | 318i | 1.8L | L4 | GAS | Air Conditioning | DriveAlign Premium OE Pulley |
| 1993 | BMW | 318is | 1.8L | L4 | GAS | Air Conditioning | DriveAlign Premium OE Pulley |
| 1992 | BMW | 318i | 1.8L | L4 | GAS | Air Conditioning | W/V-Ribbed Belt; DriveAlign Premium OE Pulley |
| 1992 | BMW | 318is | 1.8L | L4 | GAS | Air Conditioning | W/V-Ribbed Belt; DriveAlign Premium OE Pulley |
| 1991 | BMW | 318i | 1.8L | L4 | GAS | Air Conditioning | W/V-Ribbed Belt; DriveAlign Premium OE Pulley |
| 1991 | BMW | 318is | 1.8L | L4 | GAS | Air Conditioning | W/V-Ribbed Belt; DriveAlign Premium OE Pulley |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.