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Four Seasons 45012 Accessory Drive Belt Tensioner Pulley - Power Steering
Reliable Accessory Drive Belt Tensioner Pulley for Select Vehicles
The Four Seasons Pulley 45012 is a steel accessory drive belt tensioner pulley designed to maintain proper tension on serpentine belts. Engineered for durability and precision, this pulley is compatible with various Buick, Chevrolet, Honda, INFINITI, Nissan, Oldsmobile, and Pontiac models including the Achieva, Alero, Calais, and more.
- Constructed from durable steel for long-lasting performance
- Designed as a back idler pulley with a smooth groove surface
- Compatible with serpentine belt systems with a belt width of approximately 1.06 inches
- Outside diameter measures 3.25 inches (82.55 mm) for precise fitment
- Meets or exceeds OEM specifications for reliable operation
- Single mounting hole design for straightforward installation
Four Seasons Pulley Product Line Overview
The Four Seasons Pulley line focuses on accessory drive belt system components engineered to meet OEM standards. This product line emphasizes quality materials and exact fitment to ensure proper belt tension and smooth operation of engine accessories. The 45012 pulley is part of this line, providing a dependable idler/tensioner pulley solution for multiple vehicle makes and models.
Detailed Product Description and Specifications
The Four Seasons Pulley 45012 is a steel idler/tensioner pulley designed for serpentine belt systems. It features a smooth groove surface and a back idler pulley type, ensuring consistent belt tracking and tension. The pulley has an outside diameter of 3.25 inches (82.55 mm) and a width of 1.06 inches (26.9 mm), matching the belt width of approximately 1.06 inches (7.94 mm). The inside diameter is 1.06 inches (17 mm), with a bore diameter of 0.668 inches, allowing for precise mounting. This pulley is compatible with a range of vehicles including Buick Achieva, Chevrolet Malibu, Honda Fit, INFINITI FX45, Nissan Rogue, Oldsmobile Cutlass Supreme, and Pontiac Grand Prix, among others.
Common Applications and Issues Addressed
- Maintains proper tension on serpentine belts to prevent slipping
- Reduces belt noise caused by misalignment or wear
- Prevents premature belt wear and potential engine accessory failure
- Replaces worn or damaged idler/tensioner pulleys in compatible vehicles
- Ensures smooth operation of alternator, power steering, and A/C compressor belts
Installation Notes and Tips
- Mounting hardware is not included; reuse existing hardware or source appropriate fasteners
- Ensure the pulley aligns correctly with the serpentine belt path during installation
- Inspect the belt and other pulleys for wear when replacing this component
- Torque mounting bolt to manufacturer specifications to avoid damage
Quality Assurance and Warranty Information
The Four Seasons Pulley 45012 meets or exceeds OEM quality standards, ensuring reliable performance and durability. Manufactured from steel, this pulley is built to withstand the demands of accessory drive systems. While specific warranty details may vary, Four Seasons products typically come with a limited warranty covering defects in materials and workmanship.
| Brand | Four Seasons |
| Part Number | 45012 |
| Position | Pulley, Power Steering |
| Belt Type | Serpentine |
| Belt Width IN | 1.0625 |
| Belt Width MM | 7.9375 |
| Bore Dia. IN | 0.668 |
| Description | Idler / Tensioner Pulley |
| Groove Quantity | Smooth |
| I.D. MM | 17 |
| Inside Diameter | 1.06 |
| Material | Steel |
| Meets / Exceeds OEM? | Yes |
| Mount Hole Qty | 1 |
| Mounting Hardware? | Not Included |
| O.D. MM | 82.550 |
| Outside Diameter | 3.250 |
| Pulley Type | Back Idler |
| Pulley Width IN | 1.062 |
| Pulley Width MM | 26.9 |
| Style | Idler / Tensioner Pulley |
| Type | Pulley |
| Width | 26.9 |
This part fits 87 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2012 | Nissan | Rogue | N/A | Smooth pulley for accessory drive belt tensioner.; Pulley | ||
| 2011 | Buick | LaCrosse | 2.4L | L4 | N/A | Pulley |
| 2011 | Nissan | Rogue | N/A | Smooth pulley for accessory drive belt tensioner.; Pulley | ||
| 2010 | INFINITI | M45 | Power Steering | Pulley | ||
| 2010 | Nissan | Rogue | N/A | Smooth pulley for accessory drive belt tensioner.; Pulley | ||
| 2009 | INFINITI | M45 | Power Steering | Pulley | ||
| 2009 | Nissan | Rogue | N/A | Smooth pulley for accessory drive belt tensioner.; Pulley | ||
| 2008 | Honda | Fit | N/A | Pulley | ||
| 2008 | INFINITI | FX45 | N/A | Pulley | ||
| 2008 | INFINITI | M45 | Power Steering | Pulley | ||
| 2008 | Nissan | Rogue | N/A | Smooth pulley for accessory drive belt tensioner.; Pulley | ||
| 2007 | Honda | Fit | N/A | Pulley | ||
| 2007 | INFINITI | FX45 | N/A | Pulley | ||
| 2007 | INFINITI | M45 | Power Steering | Pulley | ||
| 2006 | Chevrolet | HHR | 2.4L | L4 | N/A | Pulley |
| 2006 | INFINITI | FX45 | N/A | Pulley | ||
| 2006 | INFINITI | M45 | Power Steering | Pulley | ||
| 2006 | INFINITI | Q45 | Power Steering | Pulley | ||
| 2005 | INFINITI | FX45 | N/A | Pulley | ||
| 2005 | INFINITI | Q45 | Power Steering | Pulley | ||
| 2004 | INFINITI | FX45 | N/A | Pulley | ||
| 2004 | INFINITI | M45 | Power Steering | Pulley | ||
| 2004 | INFINITI | Q45 | Power Steering | Pulley | ||
| 2003 | INFINITI | FX45 | N/A | Pulley | ||
| 2003 | INFINITI | M45 | Power Steering | Pulley | ||
| 2003 | INFINITI | Q45 | Power Steering | Pulley | ||
| 2002 | Chevrolet | Cavalier | 2.2L | L4 | N/A | Pulley |
| 2002 | INFINITI | Q45 | Power Steering | Pulley | ||
| 2002 | Pontiac | Sunfire | 2.2L | L4 | N/A | Pulley |
| 2001 | Chevrolet | Cavalier | 2.2L | L4 | N/A | Pulley |
| 2001 | Pontiac | Sunfire | 2.2L | L4 | N/A | Pulley |
| 2000 | Chevrolet | Cavalier | 2.2L | L4 | N/A | Pulley |
| 2000 | Pontiac | Sunfire | 2.2L | L4 | N/A | Pulley |
| 1999 | Chevrolet | Cavalier | 2.2L | L4 | N/A | Pulley |
| 1999 | Oldsmobile | Alero | 2.4L | L4 | N/A | 1st Design; Pulley |
| 1999 | Pontiac | Grand Am | 2.4L | L4 | N/A | 1st Design; Pulley |
| 1999 | Pontiac | Sunfire | 2.2L | L4 | N/A | Pulley |
| 1998 | Buick | Skylark | 2.4L | L4 | N/A | Pulley |
| 1998 | Chevrolet | Cavalier | 2.2L | L4 | N/A | Pulley |
| 1998 | Chevrolet | Cavalier | 2.4L | L4 | N/A | Pulley |
| 1998 | Chevrolet | Malibu | 2.4L | L4 | N/A | Pulley |
| 1998 | Oldsmobile | Achieva | 2.4L | L4 | N/A | Pulley |
| 1998 | Pontiac | Grand Am | 2.4L | L4 | N/A | Pulley |
| 1998 | Pontiac | Sunfire | 2.2L | L4 | N/A | Pulley |
| 1998 | Pontiac | Sunfire | 2.4L | L4 | N/A | Pulley |
| 1997 | Buick | Skylark | 2.4L | L4 | N/A | Pulley |
| 1997 | Chevrolet | Cavalier | 2.4L | L4 | N/A | Pulley |
| 1997 | Chevrolet | Malibu | 2.4L | L4 | N/A | Pulley |
| 1997 | Oldsmobile | Achieva | 2.4L | L4 | N/A | Pulley |
| 1997 | Pontiac | Grand Am | 2.4L | L4 | N/A | Pulley |
| 1997 | Pontiac | Sunfire | 2.4L | L4 | N/A | Pulley |
| 1996 | Buick | Skylark | 2.4L | L4 | N/A | Pulley |
| 1996 | Chevrolet | Cavalier | 2.4L | L4 | N/A | Pulley |
| 1996 | Oldsmobile | Achieva | 2.4L | L4 | N/A | Pulley |
| 1996 | Pontiac | Grand Am | 2.4L | L4 | N/A | Pulley |
| 1996 | Pontiac | Sunfire | 2.4L | L4 | N/A | Pulley |
| 1995 | Buick | Skylark | 2.3L | L4 | N/A | Pulley |
| 1995 | Chevrolet | Cavalier | 2.3L | L4 | N/A | Pulley |
| 1995 | Oldsmobile | Achieva | 2.3L | L4 | N/A | Pulley |
| 1995 | Pontiac | Grand Am | 2.3L | L4 | N/A | Pulley |
| 1995 | Pontiac | Sunfire | 2.3L | L4 | N/A | Pulley |
| 1994 | Buick | Skylark | 2.3L | L4 | N/A | Pulley |
| 1994 | Oldsmobile | Achieva | 2.3L | L4 | N/A | Pulley |
| 1994 | Pontiac | Grand Am | 2.3L | L4 | N/A | Pulley |
| 1993 | Buick | Skylark | 2.3L | L4 | N/A | Pulley |
| 1993 | Oldsmobile | Achieva | 2.3L | L4 | N/A | Pulley |
| 1993 | Pontiac | Grand Am | 2.3L | L4 | N/A | Pulley |
| 1992 | Buick | Skylark | 2.3L | L4 | N/A | Pulley |
| 1992 | Oldsmobile | Achieva | 2.3L | L4 | N/A | Pulley |
| 1992 | Pontiac | Grand Am | 2.3L | L4 | N/A | Pulley |
| 1991 | Buick | Skylark | 2.3L | L4 | N/A | Pulley |
| 1991 | Oldsmobile | Cutlass Calais | 2.3L | L4 | N/A | Pulley |
| 1991 | Oldsmobile | Cutlass Supreme | 2.3L | L4 | N/A | Pulley |
| 1991 | Pontiac | Grand Am | 2.3L | L4 | N/A | Pulley |
| 1991 | Pontiac | Grand Prix | 2.3L | L4 | N/A | Pulley |
| 1990 | Buick | Skylark | 2.3L | L4 | N/A | Pulley |
| 1990 | Oldsmobile | Cutlass Calais | 2.3L | L4 | N/A | Pulley |
| 1990 | Oldsmobile | Cutlass Supreme | 2.3L | L4 | N/A | Pulley |
| 1990 | Pontiac | Grand Am | 2.3L | L4 | N/A | Pulley |
| 1990 | Pontiac | Grand Prix | 2.3L | L4 | N/A | Pulley |
| 1989 | Buick | Skylark | 2.3L | L4 | N/A | Pulley |
| 1989 | Oldsmobile | Cutlass Calais | 2.3L | L4 | N/A | Pulley |
| 1989 | Pontiac | Grand Am | 2.3L | L4 | N/A | Pulley |
| 1988 | Buick | Skylark | 2.3L | L4 | N/A | Pulley |
| 1988 | Oldsmobile | Cutlass Calais | 2.3L | L4 | N/A | Pulley |
| 1988 | Pontiac | Grand Am | 2.3L | L4 | N/A | Pulley |
| 1987 | Oldsmobile | Calais | 2.3L | L4 | N/A | 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.