HomeHVAC > A/C Condenser and EvaporatorCSF 10521 A/C Condenser
Part #: 10521

CSF 10521 A/C Condenser

Aluminum Parallel Flow
⚙️ 40 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$98.22Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦Aluminum Parallel Flow
🚗Fitment: Chevrolet, Buick, and Pontiac, Impala, Allure, LaCrosse, Grand Prix, and Monte Carlo
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of CSF Aluminum Parallel Flow A/C Condenser 10521

The CSF Aluminum Parallel Flow A/C Condenser 10521 is engineered for reliable cooling performance in select Buick, Chevrolet, and Pontiac vehicles. Designed with a parallel flow construction, this condenser supports efficient heat dissipation and is compatible with models such as the Buick Allure and LaCrosse, Chevrolet Impala and Monte Carlo, and Pontiac Grand Prix.

  • Parallel flow aluminum construction for improved heat exchange
  • Core thickness of 5/8 inch for optimal airflow
  • Core dimensions: 15 3/7 inches width by 29 2/3 inches length
  • Box dimensions: 39 inches length, 19 2/3 inches width, 8 2/3 inches height
  • Lightweight design at 12 lbs for easier handling
  • Equipped with block fitting inlet tube and tube outlet
  • Includes sub cool design technology for enhanced cooling efficiency
  • Non-hazardous material compliant

Details on the Aluminum Parallel Flow Product Line

The Aluminum Parallel Flow line by CSF focuses on advanced condenser designs that utilize parallel flow technology to maximize cooling efficiency and durability. This product line emphasizes aluminum construction, which offers corrosion resistance and lightweight benefits. The 10521 condenser incorporates these features, making it suitable for maintaining proper A/C system performance in compatible Buick, Chevrolet, and Pontiac vehicles.

Product Description and Specifications

The CSF 10521 A/C condenser features a parallel flow core that measures 5/8 inch thick, 15 3/7 inches wide, and 29 2/3 inches long. This design allows for effective heat transfer and consistent airflow, which is critical for maintaining cabin comfort. The condenser is housed in a box measuring 39 inches in length, 19 2/3 inches in width, and 8 2/3 inches in height, weighing 12 pounds for manageable installation. The inlet tube uses a block fitting, while the outlet tube is a standard tube type, ensuring compatibility with factory A/C lines. Additionally, the condenser includes sub cool design technology, which helps improve refrigerant cooling performance.

Compatible Vehicles and Common Applications

  • Buick Allure and LaCrosse A/C system replacements
  • Chevrolet Impala and Monte Carlo air conditioning repairs
  • Pontiac Grand Prix condenser upgrades or replacements
  • Resolving issues related to insufficient cooling or refrigerant leaks
  • Addressing A/C system overheating and pressure irregularities

Installation Notes and Tips

When installing the CSF 10521 condenser, ensure the A/C system is fully evacuated and depressurized before removal of the old condenser. Verify that the block fitting inlet and tube outlet connections match the vehicle’s factory lines. Handle the condenser carefully to avoid damage to the aluminum fins and tubes. It is recommended to replace the receiver/drier or accumulator during installation to maintain system integrity. Properly recharge the A/C system with the correct refrigerant type and amount after installation.

Quality Assurance and Warranty

CSF manufactures the 10521 A/C condenser to meet or exceed OEM specifications for fit, form, and function. The product is constructed from corrosion-resistant aluminum and is free of hazardous materials. While specific warranty details are not provided here, CSF products typically come with a limited warranty covering defects in materials and workmanship. Consult the product documentation or supplier for exact warranty terms.

BrandCSF
Part Number10521
PositionAluminum Parallel Flow
Box Height (in)8 2/3
Box Length (in)39
Box Weight (lbs)12
Box Width (in)19 2/3
Constructionparallel flow
Core Length29 2/3
Core Thickness5/8
Core Width15 3/7
Hazardous MaterialNo
Inlet TubeBlock Fitting
Outlet TubeTube
Tech NoteSupplied with SUB COOL Design Technology

This part fits 40 vehicles. Search below:

YearMakeModelSubmodelLitersCylindersPositionNotes
2011ChevroletImpalaLT3.5LV6N/AAluminum Parallel Flow
2011ChevroletImpalaLTZ3.9LV6N/AAluminum Parallel Flow
2011ChevroletImpalaLS3.9LV6N/AAluminum Parallel Flow
2011ChevroletImpalaLS3.5LV6N/AAluminum Parallel Flow
2010ChevroletImpalaLTZ3.9LV6N/AAluminum Parallel Flow
2010ChevroletImpalaLT3.5LV6N/AAluminum Parallel Flow
2010ChevroletImpalaLS3.9LV6N/AAluminum Parallel Flow
2010ChevroletImpalaLS3.5LV6N/AAluminum Parallel Flow
2009BuickAllure3.8LV6N/Aw/ SUB COOL Design; Aluminum Parallel Flow
2009BuickLaCrosse3.8LV6N/Aw/ SUB COOL Design; Aluminum Parallel Flow
2009ChevroletImpalaLT3.9LV6N/Aw/ SUB COOL Design; Aluminum Parallel Flow
2009ChevroletImpalaLTZ3.9LV6N/Aw/ SUB COOL Design; Aluminum Parallel Flow
2009ChevroletImpala3.5LV6N/Aw/ SUB COOL Design; Aluminum Parallel Flow
2008BuickAllure3.8LV6N/Aw/ SUB COOL Design; Aluminum Parallel Flow
2008BuickAllure3.6LV6N/Aw/ SUB COOL Design; Aluminum Parallel Flow
2008BuickLaCrosse3.8LV6N/Aw/ SUB COOL Design; Aluminum Parallel Flow
2008BuickLaCrosse3.6LV6N/Aw/ SUB COOL Design; Aluminum Parallel Flow
2008ChevroletImpalaLT3.9LV6N/Aw/ SUB COOL Design; Aluminum Parallel Flow
2008ChevroletImpalaLTZ3.9LV6N/Aw/ SUB COOL Design; Aluminum Parallel Flow
2008ChevroletImpala3.5LV6N/Aw/ SUB COOL Design; Aluminum Parallel Flow
2008PontiacGrand Prix3.8LV6N/Aw/ SUB COOL Design; Aluminum Parallel Flow
2007BuickAllure3.8LV6N/Aw/ SUB COOL Design; Aluminum Parallel Flow
2007BuickAllure3.6LV6N/Aw/ SUB COOL Design; Aluminum Parallel Flow
2007BuickLaCrosse3.6LV6N/Aw/ SUB COOL Design; Aluminum Parallel Flow
2007BuickLaCrosse3.8LV6N/Aw/ SUB COOL Design; Aluminum Parallel Flow
2007ChevroletImpalaLTZ3.9LV6N/Aw/ SUB COOL Design; Aluminum Parallel Flow
2007ChevroletImpala3.5LV6N/Aw/ SUB COOL Design; Aluminum Parallel Flow
2007ChevroletImpalaLT3.9LV6N/Aw/ SUB COOL Design; Aluminum Parallel Flow
2007ChevroletMonte Carlo3.5LV6N/Aw/ SUB COOL Design; Aluminum Parallel Flow
2007PontiacGrand Prix3.8LV6N/Aw/ SUB COOL Design; Aluminum Parallel Flow
2006BuickAllure3.6LV6N/Aw/ SUB COOL Design; Aluminum Parallel Flow
2006BuickAllure3.8LV6N/Aw/ SUB COOL Design; Aluminum Parallel Flow
2006BuickLaCrosse3.8LV6N/Aw/ SUB COOL Design; Aluminum Parallel Flow
2006BuickLaCrosse3.6LV6N/Aw/ SUB COOL Design; Aluminum Parallel Flow
2006ChevroletImpalaLTZ3.9LV6N/Aw/ SUB COOL Design; Aluminum Parallel Flow
2006ChevroletImpalaLT3.9LV6N/Aw/ SUB COOL Design; Aluminum Parallel Flow
2006ChevroletImpala3.5LV6N/Aw/ SUB COOL Design; Aluminum Parallel Flow
2006ChevroletMonte Carlo3.5LV6N/Aw/ SUB COOL Design; Aluminum Parallel Flow
2006ChevroletMonte Carlo3.9LV6N/Aw/ SUB COOL Design; Aluminum Parallel Flow
2006PontiacGrand Prix3.8LV6N/Aw/ SUB COOL Design; Aluminum Parallel Flow

* 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:

34677-346770134678901884189019322GM3030267

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.