The Peterbilt 375/377 Cab & Related product lineup offers a wide range of high-quality parts and accessories to keep your Peterbilt truck in top shape. From cab panels and sleeper components to mirrors, windshield accessories, and more, this product lineup has everything you need to customize and maintain the interior and exterior of your 375 or 377 model. Featuring popular Peterbilt models like the 379, 378, and 377, the parts in this selection are designed for optimal fit, function, and durability. Whether you're looking to upgrade your cab, enhance your sleeper's comfort, or simply replace worn-out components, this comprehensive product lineup has you covered. With a focus on the needs of Peterbilt owners and operators, this product lineup is a one-stop-shop for all your 375/377 cab and related part needs.
Frequently Asked Questions About Peterbilt 375/377 Cab & Related
What years and models are compatible with Peterbilt 375/377 cab parts?
Most cab-related parts for the Peterbilt 375 and 377 are interchangeable between model years 1987-2000, as these trucks share the same basic cab design. However, there are some important exceptions: pre-1993 models may have different door latch mechanisms, and 1999-2000 models often feature updated electrical connectors. Always verify your specific VIN and production date when ordering electrical components, mirrors, or interior trim pieces to ensure proper fitment.
Are aftermarket cab parts as durable as OEM Peterbilt parts?
Quality varies significantly among aftermarket manufacturers. Premium aftermarket brands typically use 16-18 gauge steel for structural components, matching OEM specifications, while budget options may use thinner 20-22 gauge material that dents more easily. For critical components like door hinges, window regulators, and cab mounts, we recommend sticking with OEM or certified aftermarket brands that meet SAE J standards. Chrome and stainless steel trim pieces from reputable aftermarket suppliers often match or exceed OEM quality at a lower price point.
What tools and expertise do I need to install cab parts myself?
Basic cab part installations like mirror arms, grab handles, and exterior trim typically require standard hand tools and 2-4 hours of work. However, major components like doors, windshields, or cab corners require professional installation. Door alignment specifically needs specialized knowledge to adjust striker plates and hinges properly - improper installation can cause wind noise, water leaks, and premature wear. We recommend professional installation for any part that affects cab structural integrity or requires cutting, welding, or glass work.
How do I identify the correct mirror style and mounting configuration for my 375/377?
Peterbilt 375/377 trucks came with three main mirror configurations: standard manual mirrors (6x16 inch), heated manual mirrors (7x16 inch), and motorized heated mirrors (8x16 inch). Check your door for existing mounting holes - manual mirrors use a simple 3-bolt pattern, while motorized versions require a 5-bolt pattern plus wiring access. West Coast style mirrors mount differently than standard mirrors and require specific door brackets. Your VIN's 8th digit indicates the original mirror configuration from the factory.
Why are there different price ranges for seemingly identical cab parts?
Price differences reflect variations in manufacturing quality, materials, and included components. A basic aftermarket door shell might cost $400-600 but require separate purchase of hinges, latch, window regulator, and weatherstripping. Premium complete door assemblies at $1200-1500 include all hardware and are often e-coated for rust prevention. Similarly, chrome bumpers range from $300 triple-plated imports to $800 American-made 16-gauge steel versions. Consider total project cost including any additional hardware, prep work, and installation time when comparing prices.