Walker 15693 is a Standard EPA (Federal) direct-fit catalytic converter (also listed under Dynomax in some catalogs). It is designed as a bolt-on replacement for many late-1980s to mid-1990s Chevrolet and GMC trucks, vans, and SUVs, mainly with 5.7L V8 engines (and some 4.3L V6 applications). Retails at Autozone for $374.00It covers a wide range of 1987–1994 Chevrolet and GMC models, including:
• Pickups: C/K1500, C/K2500, C/K3500 (and earlier R/V series equivalents) — typically 5.0L/5.7L, various 2WD/4WD configurations (years generally 1987/1988–1993).
• Suburbans: R/V1500, R/V2500, etc. (1987–1991 range).
• Full-size SUVs: Blazer / Jimmy (1987–1991, 5.7L).
• Vans: G10/G1500, G20/G2500, G30/G3500 (1987–1994, 5.7L); Astro / Safari (1992–1993, 4.3L)EPA-compliant for pre-OBDII vehicles (1995 and older).
• Not legal for sale or use in California (and often restricted in CO, NY, and some other states). Legal in Maine on pre-OBD vehicles in certain cases—check your local regulations.Direct-fit design with OE-style flanges, hangers, brackets, and heat shields (3” inlet ID / 3” outlet OD, large oval body, stainless steel case).For the most accurate confirmation, enter your exact vehicle details on a parts site (e.g., RockAuto, Advance Auto, or the manufacturer’s lookup) or provide your year/make/model/engine here for a more precise check.
