HomeHVAC > A/C Accumulator / Receiver DrierFour Seasons 33138 A/C Accumulator
Part #: 33138

Four Seasons 33138 A/C Accumulator

Accumulator
⚙️ 2 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$40.92Free 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
📦Accumulator
🚗Fitment: Chevrolet and GMC, Astro and Safari
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Four Seasons 33138 A/C Accumulator

The Four Seasons Accumulator 33138 is designed specifically for Chevrolet Astro and GMC Safari vehicles. This A/C accumulator plays a critical role in maintaining the efficiency and longevity of your vehicle's air conditioning system by filtering moisture and debris.

  • Compatible with Chevrolet Astro and GMC Safari models
  • Constructed from durable aluminum material
  • Includes service port and switch port for easy maintenance
  • Body diameter of 3.5 inches and length of 9 inches (88.9 mm x 228.6 mm)
  • Female o-ring inlet fitting and male insert o-ring outlet fitting, both sized 3/4 inch
  • Meets or exceeds OEM specifications
  • Includes green o-rings for secure sealing

Detailed Product Description

The Four Seasons Accumulator 33138 is a complete unit designed to fit the HVAC system of Chevrolet Astro and GMC Safari vehicles. Made from aluminum, this accumulator features a body diameter of 3.5 inches and a length of 9 inches, providing a compact yet efficient design. It includes a female o-ring inlet fitting and a male insert o-ring outlet fitting, both with a 3/4 inch diameter and M27x2.000 thread size, ensuring a secure and leak-free connection.

This accumulator also comes equipped with a service port and a switch port, allowing for easier system diagnostics and servicing. The included green o-rings ([24676] and [24612]) provide reliable sealing to prevent refrigerant leaks. While mounting hardware is not included, the unit is designed to meet or exceed OEM standards for quality and fitment.

About the Four Seasons Accumulator Product Line

The Four Seasons Accumulator product line focuses on providing reliable and durable A/C accumulators that help protect your vehicle’s air conditioning system. This line is engineered to meet OEM specifications, ensuring compatibility and performance for specific vehicle models like the Chevrolet Astro and GMC Safari. The accumulators in this line are designed to trap moisture and contaminants, preventing damage to the A/C compressor and other components.

Common Issues Addressed by This A/C Accumulator

  • Prevents moisture buildup that can cause corrosion in the A/C system
  • Filters out debris to protect the compressor and other components
  • Helps maintain proper refrigerant flow and pressure
  • Reduces the risk of system blockages and failures
  • Supports efficient air conditioning performance in Chevrolet Astro and GMC Safari vehicles

Installation Notes and Tips

  • Ensure compatibility with Chevrolet Astro or GMC Safari before installation
  • Use the included green o-rings to maintain a proper seal
  • Check that inlet and outlet fittings match your vehicle’s specifications (female o-ring inlet, male insert o-ring outlet, both 3/4 inch)
  • Service and switch ports facilitate system diagnostics—use appropriate tools for servicing
  • Mounting hardware is not included; verify existing hardware condition or acquire separately

Quality Assurance and Warranty

The Four Seasons Accumulator 33138 is manufactured to meet or exceed OEM standards, ensuring reliable fit and function for Chevrolet Astro and GMC Safari vehicles. Constructed from aluminum for durability and corrosion resistance, this part supports long-term A/C system performance. Warranty details are provided by Four Seasons and typically cover defects in material and workmanship under normal use.

BrandFour Seasons
Part Number33138
PositionAccumulator
Body Diameter3.500
Body Length9.000
DescriptionAccumulators
Dia. MM88.900
Friction Material Attachmentw/ Service Port
Inlet Fitting Diameter3/4
Inlet Fitting TypeFemale O-Ring
Inlet Thread SizeM27x2.000
Length MM228.600
MaterialAluminum
Meets / Exceeds OEM?Yes
Mounting Hardware?Not Included
O-Ring A Number/Desc[24676] / Green O-Ring
O-Ring B Number/Desc[24612] / Green O-Ring
Outlet Fitting TypeMale Insert O-Ring
Outlet Fraction3/4
Outlet Thread SizeM27x2.000
StyleComplete Unit
Switchw/ Switch Port
Switch Port Dia. IN0.472
Switch Port Dia.MM12.000
TypeAccumulator

This part fits 2 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
1994ChevroletAstro4.3LV6N/AAccumulator
1994GMCSafari4.3LV6N/AAccumulator

* 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:

014869480233138111331381131983121242314112931516381634716347D172869207869208591216842724848331383705067372331541638433204438N703561705067A78591AC2381AC2381CCWK705067ED869RD1638RD1638C

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