Peterbilt Parts

Frequently Asked Questions About Peterbilt Parts

Which Peterbilt parts fit my specific truck model and year?

Peterbilt parts compatibility varies significantly by model (379, 389, 567, 579) and year range. Most aftermarket parts list specific model years they fit, such as "2005-2007 379" or "2008+ 389." Always check the product description for your exact model/year combination. Key differences include hood lengths (127" vs 131"), headlight configurations (dual vs quad), and mounting hole patterns. When in doubt, contact us with your OEM number for verification before ordering.

What's the difference between OEM and aftermarket Peterbilt parts quality?

OEM parts are manufactured to Peterbilt's exact specifications, ensuring perfect fit and original quality. Aftermarket parts vary widely - premium brands like Jones Performance and Roadworks match or exceed OEM quality with enhanced features, while economy options may use thinner materials or less precise manufacturing. For critical components like air lines and electrical parts, OEM or premium aftermarket is recommended. For cosmetic items like grille bars or light bezels, quality aftermarket options provide excellent value.

How difficult is it to install Peterbilt bumpers and exterior accessories?

Most Peterbilt bumpers install in 2–3 hours with basic tools and often require two people due to their weight. Grilles and light bars are usually faster, often taking 30–60 minutes. Some aftermarket parts may need minor drilling, wiring, or clearance adjustments, while complex electrical or suspension-related installs are best left to a professional.

What finishes and materials are available for Peterbilt chrome parts?

Peterbilt parts come in several finishes: mirror-polished stainless steel (most durable, won't rust), triple-chrome plated steel (classic look, requires maintenance), powder-coated aluminum (lightweight, various colors), and ABS plastic chrome (economical, for non-structural parts). Stainless steel costs more initially but lasts longer in harsh conditions. Chrome-plated parts offer the brightest shine but need regular polishing and can pit in winter climates. Powder coating provides color options and good durability for brackets and non-show parts.

Do I need to modify my Peterbilt to install aftermarket parts?

Most quality aftermarket parts are designed as direct replacements requiring no modifications. However, some situations require minor adjustments: custom bumpers may need new bracket holes drilled, LED conversions might require resistors or flasher relay changes, and oversized parts like 20-inch bumpers on pre-2005 models may need spacers. Always verify "direct fit" claims in product descriptions. Parts requiring cutting, welding, or significant modifications will be clearly noted. Keep factory parts when possible in case you need to return to stock configuration.