AR ENGINEERING Crankshaft Pulley Spacers Water Pump

( Brand: Ar Engineering ), ( Type: Alternator Pulley ), ( Vintage Part: Yes ), ( Country Of Origin: United States )

Review AR ENGINEERING Crankshaft Pulley Spacers And Water Pump fits AR111

Introducing the AR Engineering AR111 Crankshaft Pulley Spacers for Water Pump, a high-performance solution designed for specific applications in the automotive industry. These spacers are meticulously engineered to address common issues with crankshaft pulley alignment and water pump clearance in certain engine configurations.

The AR111 Crankshaft Pulley Spacers are CNC machined from 6061-T6 billet aluminum, ensuring a precise fit and exceptional durability. The anodized finish not only adds an attractive appearance but also provides additional protection against corrosion and wear.

These spacers feature a unique design, with two 10mm thick spacers that provide an additional clearance of 20mm between the crankshaft pulley and the water pump. This increased clearance eliminates the need for a timing belt or timing chain tensioner adjustment when installing a larger pulley or water pump.

The AR111 Crankshaft Pulley Spacers are compatible with a variety of water pumps and crankshaft pulleys, making them a versatile solution for several engine applications. They are designed to fit engines that require additional clearance between the crankshaft pulley and water pump, such as those with high-performance upgrades or larger aftermarket components.

Installing the AR111 Crankshaft Pulley Spacers is a straightforward process, and no modification to the engine or water pump is required. The spacers simply bolt onto the engine using the existing bolts, making them a convenient and hassle-free upgrade.

In summary, the AR Engineering AR111 Crankshaft Pulley Spacers for Water Pump offer a reliable and efficient solution to common installation challenges in specific engine applications. Their precision engineering, durability, and ease of installation make them an essential tool for any automotive enthusiast or professional mechanic.

AR Engineering AR111 Crankshaft Pulley Spacers for Water Pump: Pros and Cons

The AR Engineering AR111 Crankshaft Pulley Spacers for Water Pump are aftermarket parts designed to provide additional clearance between the crankshaft pulley and the water pump on certain Subaru and Toyota engines. Here are some potential advantages and disadvantages of purchasing these spacers:

1. Increased Clearance: The primary benefit of these spacers is the additional clearance they provide between the crankshaft pulley and the water pump. This clearance can be crucial for engines that have aftermarket modifications, such as larger turbos or high-performance camshafts, which can create clearance issues.

2. Easy Installation: The installation process for these spacers is relatively straightforward and can be completed in a few hours by an average DIYer. No major engine disassembly is required, making it a cost-effective solution for addressing clearance issues.

3. Durability: AR Engineering is known for producing high-quality aftermarket parts, and these spacers are no exception. They are made from billet aluminum and are designed to last for the life of the engine.

4. Improved Cooling: By providing additional clearance, these spacers can improve cooling efficiency by allowing the water pump to operate more effectively. This can be particularly important for high-performance applications where cooling is critical.

1. Cost: The AR Engineering AR111 Crankshaft Pulley Spacers are not the cheapest option on the market. However, their high-quality construction and straightforward installation make them a worthwhile investment for those seeking to address clearance issues.

2. Not Universal: These spacers are not a universal solution and are only compatible with specific Subaru and Toyota engines. Before making a purchase, it is essential to ensure that they will fit your particular engine.

3. Potential for Noise: Some users have reported that these spacers can create additional noise due to the increased clearance between the crankshaft pulley and the water pump. However, this is not a common issue, and it can usually be addressed by properly torquing the pulley bolts and using a high-quality belt.

In conclusion, the AR Engineering AR111 Crankshaft Pulley Spacers for Water Pump can be a valuable investment for those seeking to address clearance issues on specific Subaru and Toyota engines. Their high-quality construction, ease of installation, and potential for improved cooling make them an attractive option for those looking to optimize their engine's performance. However, their cost and limited compatibility are important considerations to keep in mind before making a purchase. Ultimately, if you have a clear need for additional clearance and are confident that these spacers will fit your engine, they can be a worthwhile investment.

Details:

FITS SMALL BIG BLOCK MOPAR:QTY 2, AR Engineering AR111 .125 Crankshaft Pulley Spacer. Spacer is 0.125 thick and can be used to help correct belt alignment. Can also be used as a retainer for crank trigger wheel.Qty 4, AR Engineering AR112 .060 Water Pump Spacer. Manufacturing variances in gasket thickness, pulley depth and water pump can all add up to a misaligned.

AR112 is an 0.060 inch thick spacer designed to correct minor spacing issues with the water pump pulley.

part #: ar111 price

• $30.00

specifications pulleyhop:

• for models: Ar111
• brand: Ar Engineering
• type: Alternator Pulley
• vintage part: Yes
• country of origin: United States

seller pulleyhop:

• rating: 100.0%
• city: New Braunfels, Texas
• # reviews: 152

general pulleyhop:

• CAr Truck PArts Accessories > Accessory Belts > Pulleys
• condition: New other see details

returns pulleyhop:

• policy: Returns Accepted
• paid by: Seller
• time: 30 Days

payments pulleyhop:

• other
• credit cArd: Diners-club
• wallet: Google-pay

shipping pulleyhop:

• service: USPS Ground Advantage
• class: StandArd
• cArrier: USPS
• type: Calculated
• transit: 6-12 Days
• cost: $7.92

offer pulleyhop:

• best offers: True
• options: Ship-to-home
• sold: 0
• stArted: JanuAry 16, 2026
• quantity: 1
• availability: In Stock

Ar Engineering AR111 Is Similar To:

• Chevrolet 14015669-ar-m Nos Eom Gm 1976 1981 Crankshaft Pulley C25 (40.3% similar) Nos emo gm # 14015669-AR-M 1976 1981 Chevrolet crankshaft pulley C25 C25. Part # 14015669-AR-M...(August 14th, 2025)