How to replace the catalytic converter on an A4WD on Chevrolet Astro?

The replacement of a Catalytic Converter on an a4wd vehicle requires protective goggles and gloves to safeguard against rust and sharp edges with a cool exhaust system before the installation process begins. Start the process by raising the vehicle and suspend the Catalytic Converter assembly. Start by disconnecting the 3 Oxygen Sensor electrical connections and removing the clips followed by breaking the Muffler flange bolts and the Exhaust Manifold studs on both right and left sides while disconnecting the collars. Remove the hanger assembly attached to the Catalytic Converter from both the Transfer Case and the Catalytic Converter before disassembling it from the Muffler and exhaust manifolds with caution toward the oxygen sensors' protection. Wrap the Catalytic Converter assembly by lowering its rear section to move it in the direction of the vehicle's rear then rotate it down behind the Transfer Case support crossmember before unclipping the oxygen sensors from their ports. Check that all exhaust system components match oem specifications for safe operation then verify alignment before tightening bolts or nuts. To make a proper connection between the Exhaust Pipe and Exhaust Manifold always replace damaged hangers brackets and clamps while using new nuts post-thread cleaning. Place the oxygen sensors at their designated spots on the Catalytic Converter assembly before raising and rotating the assembly to fit it correctly with the left Exhaust Pipe between the Torsion Bar and transmission. Attach the Catalytic Converter assembly to the Muffler assembly by installing a gasket and keeping the nuts on both sides loosely attached to Exhaust Manifold studs. Follow a sequence to tighten the Exhaust Manifold nuts at 53 nm (39 ft. Lbs.) and the hanger-to-Transfer Case bolts at 55 nm (41 ft. Lbs.) while torquing the assembly-to-muffler assembly nuts to 40 nm (30 ft. Lbs.). After restoring the Oxygen Sensor electrical connectors and removing the Catalytic Converter assembly support you should lower the vehicle.

OEM Chevrolet Astro Catalytic Converter

Cat. Converter

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18 Catalytic Converters found

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Chevrolet Astro Catalytic Converter
Part Number: 25056846
$484.65 MSRP: $715.08
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Product Specifications
- Other Name: Converter; Converter, Catalytic Converter
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1985-1987 Chevrolet Astro | Base, CL, CS | 4 Cyl 2.5 L GAS
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Chevrolet Astro Catalytic Converter
Part Number: 15744810
Product Specifications
- Other Name: Converter, Exhaust Pipe; Front Pipe; Converter, Catalytic Converter; Exhaust Pipe
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001-2005 Chevrolet Astro | Base, LS, LT | 6 Cyl 4.3 L GAS
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Chevrolet Astro Catalytic Converter
Part Number: 25129951
Product Specifications
- Other Name: Converter, Catalytic Converter; Converter
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992-1993 Chevrolet Astro | Base, CL, CS, LT | 6 Cyl 4.3 L GAS
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Chevrolet Astro Catalytic Converter
Part Number: 25129193
Product Specifications
- Other Name: Converter, Catalytic Converter; Converter
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992 Chevrolet Astro | Base, CL, CS, LT | 6 Cyl 4.3 L GAS
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Chevrolet Astro Catalytic Converter
Part Number: 25127428
Product Specifications
- Other Name: Converter; Converter, Catalytic Converter
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1990-1991 Chevrolet Astro | Base, CL, CS, LT | 6 Cyl 4.3 L GAS
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Chevrolet Astro Catalytic Converter
Part Number: 25104273
Product Specifications
- Other Name: Converter, Catalytic Converter; Converter
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-1991 Chevrolet Astro | Base, CL, CS, LT | 6 Cyl 4.3 L GAS
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Chevrolet Astro Catalytic Converter
Part Number: 25056778
Product Specifications
- Other Name: Converter, Catalytic Converter; Converter
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1985 Chevrolet Astro | Base, CL, CS | 6 Cyl 4.3 L GAS
View related parts
Chevrolet Astro Catalytic Converter
Part Number: 15749445
Product Specifications
- Other Name: Converter, Exhaust Pipe; Front Pipe; Converter, Catalytic Converter; Exhaust Pipe
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2001 Chevrolet Astro | Base, LS, LT | 6 Cyl 4.3 L GAS
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Chevrolet Astro Catalytic Converter
Part Number: 15737420
Product Specifications
- Other Name: Converter, Exhaust Pipe; Front Pipe; Converter; Exhaust Pipe
- Replaces: 15729344
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1996-1997 Chevrolet Astro | Base, LS, LT | 6 Cyl 4.3 L GAS
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Chevrolet Astro Catalytic Converter
Part Number: 15708268
Product Specifications
- Other Name: Converter, Exhaust Pipe; Front Pipe; Converter; Converter, Catalytic Converter; Exhaust Pipe
- Replaces: 15979053
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1994-1995 Chevrolet Astro | Base, CL, CS, LT | 6 Cyl 4.3 L GAS
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Chevrolet Astro Catalytic Converter
Part Number: 15682632
Product Specifications
- Other Name: Converter, Catalytic Converter; Exhaust Pipe; Front Pipe; Converter; Converter, Exhaust Pipe
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1994-1995 Chevrolet Astro | Base, CL, CS, LT | 6 Cyl 4.3 L GAS
View related parts
Chevrolet Astro Converter
Part Number: 15668434
Product Specifications
- Other Name: Catalytic Converter; Converter, Catalytic Converter
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1993 Chevrolet Astro | Base, CL, CS, LT | 6 Cyl 4.3 L GAS
View related parts
Chevrolet Astro Catalytic Converter
Part Number: 15157827
Product Specifications
- Other Name: Converter, Exhaust Pipe; Front Pipe; Converter, Catalytic Converter; Exhaust Pipe
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2000 Chevrolet Astro | Base, LS, LT | 6 Cyl 4.3 L GAS
View related parts
Chevrolet Astro Catalytic Converter
Part Number: 15157825
Product Specifications
- Other Name: Converter, Exhaust Pipe; Front Pipe; Converter, Catalytic Converter; Exhaust Pipe
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2000 Chevrolet Astro | Base, LS, LT | 6 Cyl 4.3 L GAS
View related parts
Chevrolet Astro Catalytic Converter
Part Number: 15153681
Product Specifications
- Other Name: Converter, Exhaust Pipe; Converter
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1998-1999 Chevrolet Astro | Base, LS, LT | 6 Cyl 4.3 L GAS
View related parts
Chevrolet Astro Catalytic Converter
Part Number: 15153680
Product Specifications
- Other Name: Converter, Exhaust Pipe; Converter
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1998-1999 Chevrolet Astro | Base, LS, LT | 6 Cyl 4.3 L GAS
View related parts
Chevrolet Astro Converter
Part Number: 15153679
Product Specifications
- Other Name: Converter, Exhaust Pipe; Catalytic Converter
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1998-1999 Chevrolet Astro | Base, LS, LT | 6 Cyl 4.3 L GAS
View related parts
Chevrolet Astro Converter
Part Number: 15153678
Product Specifications
- Other Name: Converter, Exhaust Pipe; Catalytic Converter
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1998-1999 Chevrolet Astro | Base, LS, LT | 6 Cyl 4.3 L GAS

Chevrolet Astro Catalytic Converter

Our website offers an extensive catalog of genuine Chevrolet Astro Catalytic Converter at unbeatable prices. Every OEM Chevrolet Astro Catalytic Converter comes with a manufacturer's warranty, an easy return policy, and rapid delivery service. Don't miss out on this great opportunity!

Chevrolet Astro Catalytic Converter Parts Questions & Experts Answers

Catalytic Converter
15744810
Q: How to replace the catalytic converter on an A4WD on Chevrolet Astro?
A: The replacement of a Catalytic Converter on an a4wd vehicle requires protective goggles and gloves to safeguard against rust and sharp edges with a cool exhaust system before the installation process begins. Start the process by raising the vehicle and suspend the Catalytic Converter assembly. Start by disconnecting the 3 Oxygen Sensor electrical connections and removing the clips followed by breaking the Muffler flange bolts and the Exhaust Manifold studs on both right and left sides while disconnecting the collars. Remove the hanger assembly attached to the Catalytic Converter from both the Transfer Case and the Catalytic Converter before disassembling it from the Muffler and exhaust manifolds with caution toward the oxygen sensors' protection. Wrap the Catalytic Converter assembly by lowering its rear section to move it in the direction of the vehicle's rear then rotate it down behind the Transfer Case support crossmember before unclipping the oxygen sensors from their ports. Check that all exhaust system components match oem specifications for safe operation then verify alignment before tightening bolts or nuts. To make a proper connection between the Exhaust Pipe and Exhaust Manifold always replace damaged hangers brackets and clamps while using new nuts post-thread cleaning. Place the oxygen sensors at their designated spots on the Catalytic Converter assembly before raising and rotating the assembly to fit it correctly with the left Exhaust Pipe between the Torsion Bar and transmission. Attach the Catalytic Converter assembly to the Muffler assembly by installing a gasket and keeping the nuts on both sides loosely attached to Exhaust Manifold studs. Follow a sequence to tighten the Exhaust Manifold nuts at 53 nm (39 ft. Lbs.) and the hanger-to-Transfer Case bolts at 55 nm (41 ft. Lbs.) while torquing the assembly-to-muffler assembly nuts to 40 nm (30 ft. Lbs.). After restoring the Oxygen Sensor electrical connectors and removing the Catalytic Converter assembly support you should lower the vehicle.

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