Shop for Aftermarket Sleeper Repair Parts for the Kenworth T300-T450. Find everything you need to maintain or upgrade your Kenworth sleeper cab. From cabin air springs to sleeper glass, this product lineup has high-quality, durable parts to keep your truck running smoothly. Whether it's repairs, functionality upgrades, or a touch of personalization, these reliable and affordable parts have you covered. Keep your sleeper cab in top condition!