Description
C3492SX – MIDLAND REMANUFACTURED MASTER CYLINDER (GMC/CHEVROLET C50–C70 1967–1968)
PART NUMBER(S):
Fleet Products: C3492SX (Remanufactured) | OE: Haldex RV349201X, Midland C3492S, Casting# 300358
DESCRIPTION:
Model: Midland Remanufactured Master Cylinder
Vehicles: GMC/Chevrolet C50, C60, C70 (1967–1968)
• Dimensions: 8 in length
• Dimensions: 5.50 in pushrod length
• Port: 5/16 in inverted flare
• Mounting: 1/4 in bolt, seal ring mount
• Material: Cast body
• Features: Thru-bolt cap, side outlet port
• Identification: Casting 300358 (C3492SX)
Compatible Booster: C4037X
Applications: Designed for GMC and Chevrolet C50–C70 medium-duty trucks from 1967–1968. Built with casting #300358, this master cylinder features a 5/16" inverted flare outlet and thru-bolt cap design, providing reliable hydraulic performance in heavy-duty brake systems.
CROSS-REFERENCE(S):
C3492S, 300358, RV349201X, ZZRV349201X, 300358B, 3902015, 3933886, 3960240, 3979525, 5396-RV347201X, 767653032399, C3492, HDX RV349201X, MBIRV349201X, MIDRV349201X, 1036366
A cross-reference listing means this part is a suitable replacement for the part numbers listed. Please confirm all ports and dimensions match your application before installing.
IMPORTANT INSTALLATION NOTES:
✔ Confirm casting number 300358 before installation to ensure correct GMC/Chevrolet fitment.
✔ Verify outlet port size is 5/16" inverted flare.
✔ Install with thru-bolt cap secure; outlet port must be side-oriented as designed.
✔ Bleed hydraulic system thoroughly after installation to ensure proper brake function.
SOLD AS REMANUFACTURED | CORE RETURN REQUIRED
Built to OEM standards | thoroughly cleaned, inspected, and tested to ensure durability, performance, and reliability in demanding applications.
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Warranty Information
