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ACDelco 18M391486 Brake Master Cylinder

ACDelco 18M391486 Brake Master Cylinder Image 1
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ACDelco 18M391486 Brake Master Cylinder

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



On Sale:

$142.10

Availability:
6 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:
No
Bore Size:
1.313 in.
Brake Booster Included:
No
Height (in):
4.25 in
Length (in):
9.49 in
Master Cylinder Cap Included:
Yes
Master Cylinder Material:
Aluminum
Mounting Bracket Included:
No
Mounting Hardware Included:
No
Mounting Hole Diameter:
0.433 in.
Mounting Hole Quantity:
2
Port Quantity:
2
Programming Required:
No
Push Rod Included:
No
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:
TW

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

Last Updated: 04/30/2024

Years Vehicle Per Vehicle Fit NotesFitment 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
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
Chevrolet Tahoe

5.3L V8 Gas OHV
1
 
Professional
 

Chevrolet Tahoe



5.3L V8 Gas OHV Professional

1 Per Vehicle
Chevrolet Tahoe

5.3L V8 Flex OHV
1
 
Professional
 

Chevrolet Tahoe



5.3L V8 Flex OHV Professional

1 Per Vehicle
GMC Sierra 1500

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

GMC Sierra 1500



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

1 Per Vehicle
GMC Sierra 1500

5.3L V8 Gas OHV
1
 
Professional
 

GMC Sierra 1500



5.3L V8 Gas OHV Professional

1 Per Vehicle
GMC Sierra 1500

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

GMC Sierra 1500



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

1 Per Vehicle
GMC Sierra 1500

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

GMC Sierra 1500



5.3L V8 MILD HYBRID EV-Gas MHEV OHV Professional

1 Per Vehicle
GMC Sierra 1500

4.3L V6 Flex OHV
1
 
Professional
 

GMC Sierra 1500



4.3L V6 Flex OHV Professional

1 Per Vehicle
GMC Sierra 1500 Limited

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

GMC Sierra 1500 Limited



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

1 Per Vehicle
GMC Yukon

5.3L V8 Gas OHV
1
 
Professional
 

GMC Yukon



5.3L V8 Gas OHV Professional

1 Per Vehicle
GMC Yukon

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

GMC Yukon



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

1 Per Vehicle
GMC Yukon XL

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

GMC Yukon XL



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

1 Per Vehicle
GMC Yukon XL

5.3L V8 Flex OHV,
6.2L V8 Flex OHV
1
 
Professional
 

GMC Yukon XL



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

1 Per Vehicle