MAHLE Original Buick Commercial Chassis 93-92 Cylinder Head Gasket

SKU: 5746 | UPC: 725975271469

MAHLE Original Buick Commercial Chassis 1992-1993 Cylinder Head Gasket 5746 Fits Chevy GMC 454 Trucks 1980-2000

MAHLE Original cylinder head gasket part 5746 provides factory-level sealing for 1992-1993 Buick Commercial Chassis and Chevrolet GMC trucks vans Suburbans with 454 V8 engines from 1980-2000. This direct OE replacement stops coolant oil and combustion leaks under extreme heat and pressure. Perfect for engine rebuilds and restorations delivering dependable performance across all listed vehicles.

Key Features

• OE Exact Design: Matches factory dimensions with 4.250 inch bore and 0.051 inch compressed thickness for precise cylinder head alignment on GM big block V8s.
• Graphite Faced Construction: High-strength graphite with perforated steel core resists blowouts and warping for reliable sealing in high-compression 454 engines.
• Multi Port Sealing: Seals 16 coolant oil passages and combustion chambers to prevent cross-contamination in 366 427 454 ci big block applications.
• High Temperature Resistance: Handles 2000°F bursts and maintains seal during extended operation in heavy-duty trucks and vans.
• Precision Engineered: Laser-cut edges and fire ring deliver zero leaks with easy torquing to GM specs of 65 ft-lbs in proper sequence.

Product Notes

• Verify engine displacement of 366 427 454 ci before installation to match listed vehicles.
• No core charge or return needed as direct replacement part.
• Store flat in dry area to prevent folding or creasing gasket material.

Installation Notes

• Professional installation recommended.
• Clean block and head surfaces thoroughly removing all residue and old gasket material.
• Apply Fel-Pro sealant on edges and torque bolts in three stages per GM service manual.

This Part Fits

Year	Make	Model	Submodel
1992-1993	Buick	Commercial Chassis	Base
1980-1986	Chevrolet	C20	Cheyenne Custom Custom Deluxe Deluxe Scottsdale Silverado
1980-1986	Chevrolet	C20 Suburban	Custom Scottsdale Silverado
1980-1999	Chevrolet	P30	Base Step-Van
1980-1986	Chevrolet	C3500	Scottsdale Silverado
1980-1986	GMC	C2500	Base High Sierra Sierra Sierra Classic Sierra Grande
1980-1986	GMC	C3500	Base High Sierra Sierra Sierra Classic Sierra Grande
1980-1994	GMC	G2500	Rally Rally Custom Rally STX Vandura
1980-1996	GMC	G3500	Magnavan Rally Rally Camper Special Rally Custom Rally STX Vandura Vandura Special
1980-1986	Chevrolet	K5 Blazer	Custom Deluxe Silverado
1980-1986	Chevrolet	C10	Custom Deluxe Cheyenne Scottsdale Silverado
1987-1994	Chevrolet	Camaro	IROC-Z Z28 Z28 Heritage Edition
1980-1986	Chevrolet	C10 Suburban	Custom Deluxe Scottsdale Silverado
1994-2000	Chevrolet	C3500	Base
1988-1998	Chevrolet	C1500	Cheyenne Scottsdale Silverado
1991-1993	Chevrolet	Caprice	Base Classic Classic LTZ
1990-1992	Cadillac	Brougham	Base d’Elegance
1980-1989	GMC	Jimmy	Base High Sierra Sierra Classic Sierra Grande
1996-2002	Chevrolet	Express 2500	Base LS
1996-2002	Chevrolet	Express 3500	Base LS
1995-1999	Chevrolet	Tahoe	Base LS LT Z71

Why Choose MAHLE?

• Global leader supplying OEM gaskets to GM for over 100 years.
• Built with strict quality controls matching factory specifications.
• Tested for long-term durability in real-world truck and van conditions.

Frequently Asked Questions

• Q: Does MAHLE 5746 fit 454 V8 in 1980s Chevy C20 trucks?
  A: Yes fits 1980-1986 Chevrolet C20 Cheyenne Custom Deluxe Scottsdale Silverado and equivalents with 7.4L engine confirm via VIN.
• Q: What material is the gasket made from?
  A: Graphite-faced steel core construction provides robust sealing for high-heat high-pressure environments.
• Q: What is the warranty and install process?
  A: Backed by MAHLE limited warranty install on clean surfaces torque to 65 ft-lbs in sequence professional mechanic advised.

Shipping & Handling

• Method: UPS Ground or USPS Priority
• Availability: In stock – ships same or next business day
• Packaging: Flat box 14 x 14 x 1 inches protective sleeve
• Weight: 0.71 lbs