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The ACDelco GM Original Equipment Brake Master Cylinder (model 19420962) is a precision-engineered hydraulic pump designed to meet GM’s exacting standards. Pressure tested and compliant with SAE J1153 and J1154 brake performance requirements, it ensures reliable, durable braking performance. Crafted to fit GM vehicles perfectly, this OEM replacement part guarantees the quality and longevity expected from genuine GM components.










| ASIN | B08SHN11G7 |
| Best Sellers Rank | #876,032 in Automotive ( See Top 100 in Automotive ) #2,645 in Automotive Replacement Brake Hydraulic Parts |
| Brand | GM GENUINE PARTS |
| Customer Reviews | 3.4 3.4 out of 5 stars (9) |
| Date First Available | January 8, 2021 |
| Exterior | Machined |
| Item Weight | 3.13 pounds |
| Item model number | 19420962 |
| Manufacturer | ACDelco |
| Manufacturer Part Number | 19420962 |
| Model | GM Original Equipment |
| Product Dimensions | 10.3 x 8.7 x 5.3 inches |
N**E
2007 chevy 2500
Works very good
R**N
Avoid buying auto parts from Amazon.
This was listed as AC Delco original part. .....that is why I ordered it. After instalation it would not hold pressure. Pressing down on the peddle it would slowly sink to the floor. Ive installed many Master Cylinders over the years., this was the first bad one right out of the box. I would advise anyone ordering auto replacement parts to avoid Amazon. Staff at the dealership says that Amazon parts, even if listed as OEM are not up to par. I sent the master sylinder back and was given a refund.Time wasted installing it but a lesson learned.
�**�
(Dont Fit) 2009 Chevy E van 3500
Brake line bolts don't fit the brake master cylinder. (2009 Chevrolet Express Van 3500)
J**A
Not genuine GM part
Looks like a cheaper TRW master cylinder in a gm box
Trustpilot
3 weeks ago
1 day ago