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ACDelco 18M391486 Brake Master Cylinder

ACDelco 18M391486 Brake Master Cylinder Image 3


Brand:	ACDelco
Part Number:	18M391486
UPC:	00808709786078
Weight:	1.9 lbs
Condition:	New

On Sale:

$133.29

Availability:

5 in Stock

Warehouse:

US-12

Quantity:

Product Information

Description:

Get the ACDelco 18M391486 Brake Master Cylinder for your vehicle. Buy now and secure your purchase online!

ACDelco Professional Brake Master Cylinders use both aluminum and iron castings, making them a high quality replacement for many vehicles on the road today. These master cylinders contain both Ethylene Propylene (EPDM) and Styrene Butadiene (SBR) rubber components to provide superior resistance to heat, corrosion, and leakage. ACDelco Professional Brake Master Cylinders are ready to bench bleed and install right out of the box - no assembly required. These premium aftermarket replacement brake master cylinders are manufactured to meet your expectations for fit, form, and function. ⚠ WARNING: Cancer and Reproductive Harm - https://www.P65Warnings.ca.gov

Features and Benefits:

Cast iron and aluminum specifications; no extra stress on the brake boosting mounting
Geometrical tolerance ensures that the body and plastic reservoir match for a proper fit
Meets the brake performance requirements of SAE J1153 and J1154 testing, providing reliability and quality
Piston assembly and return spring help to prevent brake drag, which can cause premature brake pad wear
Pressure tested to ensure safe and confident braking

Specifications:

Bleeder Hoses Included:

Bore Size:

1.313 in.

Brake Booster Included:

Height (in):

4.25 in

Length (in):

9.49 in

Master Cylinder Cap Included:

Yes

Master Cylinder Material:

Aluminum

Mounting Bracket Included:

Mounting Hardware Included:

Mounting Hole Diameter:

0.433 in.

Mounting Hole Quantity:

Port Quantity:

Programming Required:

Push Rod Included:

Reservoir Included:

Yes

Weight (lb):

1.9 lb

Width (in):

6.89 in

Features and Benefits:

– Calipers and wheel cylinders should be checked every brake inspection and serviced or replaced as required.
– Check brake fluid level at every oil change. Replace fluid according to owner's manual recommendations.
– Check the thickness of your brake pads.
– Inspect the brake lines for rust, punctures, or visible leaks (You may be able to do this, but consult a qualified technician if necessary).
– Inspection of brake lining and pads for wear or contamination by brake fluid or grease.
– Inspection of the brake hoses for brittleness or cracking.
– Inspection of wheel bearings and grease seals.
– Parking brake adjustments (as needed).
The following inspections and maintenance procedures can help prevent potential brake problems:
The following should be conducted by a qualified technician:

Specifications:

Country of Origin:

Select a vehicle to narrow ACDelco 18M391486 Brake Master Cylinder fitment info!

Last Updated: 04/30/2024

Years

Vehicle

Per Vehicle

Fit Notes

Fitment Notes

Cadillac Escalade

6.2L V8 Flex OHV,
6.2L V8 Gas OHV

1 Professional

Cadillac Escalade

6.2L V8 Flex OHV,
6.2L V8 Gas OHV Professional

1 Per Vehicle

Cadillac Escalade ESV

6.2L V8 Flex OHV,
6.2L V8 Gas OHV

1 Professional

Cadillac Escalade ESV

6.2L V8 Flex OHV,
6.2L V8 Gas OHV Professional

1 Per Vehicle

2019

Chevrolet Silverado 1500

2.7L L4 Gas DOHC Turbo,
4.3L V6 Gas OHV

1 Professional

Chevrolet Silverado 1500

2.7L L4 Gas DOHC Turbo,
4.3L V6 Gas OHV Professional

1 Per Vehicle

Chevrolet Silverado 1500

5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.2L V8 Gas OHV

ACDelco 18M391486 Brake Master Cylinder

$133.29

Product Information

Description:

Features and Benefits:

Specifications:

Features and Benefits:

Specifications:

Select a vehicle to narrow ACDelco 18M391486 Brake Master Cylinder fitment info!

Cadillac Escalade 6.2L V8 Flex OHV,6.2L V8 Gas OHV

1

Professional

Cadillac Escalade

6.2L V8 Flex OHV,6.2L V8 Gas OHV Professional 1 Per Vehicle

Cadillac Escalade ESV 6.2L V8 Flex OHV,6.2L V8 Gas OHV

1

Professional

Cadillac Escalade ESV

6.2L V8 Flex OHV,6.2L V8 Gas OHV Professional 1 Per Vehicle

Chevrolet Silverado 1500 2.7L L4 Gas DOHC Turbo,4.3L V6 Gas OHV

1

Professional

Chevrolet Silverado 1500

2.7L L4 Gas DOHC Turbo,4.3L V6 Gas OHV Professional 1 Per Vehicle

Chevrolet Silverado 1500 5.3L V8 Flex OHV,5.3L V8 Gas OHV,6.2L V8 Gas OHV

1

Professional

Chevrolet Silverado 1500

5.3L V8 Flex OHV,5.3L V8 Gas OHV,6.2L V8 Gas OHV Professional 1 Per Vehicle

Chevrolet Silverado 1500 5.3L V8 MILD HYBRID EV-Gas MHEV OHV

1

Professional

Chevrolet Silverado 1500

5.3L V8 MILD HYBRID EV-Gas MHEV OHV Professional 1 Per Vehicle

Chevrolet Silverado 1500 4.3L V6 Flex OHV

1

Professional

Chevrolet Silverado 1500

4.3L V6 Flex OHV Professional 1 Per Vehicle

Chevrolet Silverado 1500 LD 5.3L V8 Flex OHV,5.3L V8 Gas OHV

1

Professional

Chevrolet Silverado 1500 LD

5.3L V8 Flex OHV,5.3L V8 Gas OHV Professional 1 Per Vehicle

Chevrolet Suburban 6.2L V8 Flex OHV,6.2L V8 Gas OHV

1

Professional

Chevrolet Suburban

6.2L V8 Flex OHV,6.2L V8 Gas OHV Professional 1 Per Vehicle

Chevrolet Suburban 5.3L V8 Gas OHV

1

Professional

Chevrolet Suburban

5.3L V8 Gas OHV Professional 1 Per Vehicle

Chevrolet Suburban 5.3L V8 Flex OHV

1

Professional

Chevrolet Suburban

5.3L V8 Flex OHV Professional 1 Per Vehicle

Chevrolet Tahoe 6.2L V8 Flex OHV,6.2L V8 Gas OHV

1

Professional

Chevrolet Tahoe

6.2L V8 Flex OHV,6.2L V8 Gas OHV Professional 1 Per Vehicle

Cadillac Escalade

6.2L V8 Flex OHV,
6.2L V8 Gas OHV

6.2L V8 Flex OHV,
6.2L V8 Gas OHV Professional

1 Per Vehicle

Cadillac Escalade ESV

6.2L V8 Flex OHV,
6.2L V8 Gas OHV

6.2L V8 Flex OHV,
6.2L V8 Gas OHV Professional

1 Per Vehicle

Chevrolet Silverado 1500

2.7L L4 Gas DOHC Turbo,
4.3L V6 Gas OHV

2.7L L4 Gas DOHC Turbo,
4.3L V6 Gas OHV Professional

1 Per Vehicle

Chevrolet Silverado 1500

5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.2L V8 Gas OHV

5.3L V8 Flex OHV,
5.3L V8 Gas OHV,
6.2L V8 Gas OHV Professional

1 Per Vehicle

Chevrolet Silverado 1500

5.3L V8 MILD HYBRID EV-Gas MHEV OHV

5.3L V8 MILD HYBRID EV-Gas MHEV OHV Professional

1 Per Vehicle

Chevrolet Silverado 1500

4.3L V6 Flex OHV

4.3L V6 Flex OHV Professional

1 Per Vehicle

Chevrolet Silverado 1500 LD

5.3L V8 Flex OHV,
5.3L V8 Gas OHV

5.3L V8 Flex OHV,
5.3L V8 Gas OHV Professional

1 Per Vehicle

Chevrolet Suburban

6.2L V8 Flex OHV,
6.2L V8 Gas OHV

6.2L V8 Flex OHV,
6.2L V8 Gas OHV Professional

1 Per Vehicle

Chevrolet Suburban

5.3L V8 Gas OHV

5.3L V8 Gas OHV Professional

1 Per Vehicle

Chevrolet Suburban

5.3L V8 Flex OHV

5.3L V8 Flex OHV Professional

1 Per Vehicle

Chevrolet Tahoe

6.2L V8 Flex OHV,
6.2L V8 Gas OHV

6.2L V8 Flex OHV,
6.2L V8 Gas OHV Professional

1 Per Vehicle