Frequently Asked Questions About Kenworth T800 Steering Parts & Acc.

What years of Kenworth T800 trucks are these steering parts compatible with?

Most of our Kenworth T800 steering parts are designed to fit models from 1987 through 2025. However, compatibility can vary based on specific components. For steering wheels and columns, parts typically fit all T800 models from 1987-present. Power steering pumps and gearboxes may have variations between pre-2007 and post-2007 models due to emissions changes. Always check the product description for specific year ranges, or contact our support team with your VIN for exact fitment verification.

Are aftermarket steering gearboxes as reliable as OEM parts?

Quality aftermarket steering gearboxes from reputable manufacturers like TRW, Sheppard, and Ross can match or exceed OEM specifications. These units typically feature the same 16:1 or 20:1 gear ratios as factory parts and undergo rigorous testing. Look for remanufactured units that include new seals, bearings, and input shafts. Many come with 1-2 year warranties. The key difference is often price - aftermarket options can save you 30-40% compared to OEM while maintaining the same performance standards.

What tools and expertise are needed to replace a steering column or gearbox?

Replacing a steering column requires basic hand tools including socket sets, wrenches, and a steering wheel puller. The job typically takes 2-3 hours for experienced mechanics. You'll need to disconnect the battery, remove the steering wheel, disconnect the turn signal wiring harness, and unbolt the column from the dash bracket. Gearbox replacement is more complex, requiring a pitman arm puller, hydraulic line wrenches, and proper alignment tools. This job often takes 4-6 hours and requires bleeding the power steering system. We recommend professional installation for gearboxes unless you have heavy-duty truck experience.

What's the difference between standard and heavy-duty power steering pumps?

Standard power steering pumps typically produce 1500-1650 PSI and flow rates of 3.5-4.0 GPM, suitable for most highway applications. Heavy-duty pumps generate 1800-2100 PSI with flow rates up to 5.0 GPM, designed for severe service like logging, mining, or heavy haul operations. Heavy-duty units feature larger reservoirs, enhanced cooling fins, and reinforced mounting brackets. If your T800 regularly handles loads over 80,000 lbs or operates in extreme conditions, upgrading to a heavy-duty pump can reduce steering effort and extend component life.

How can I tell if my steering shaft or u-joints need replacement?

Common signs include excessive play in the steering wheel (more than 2 inches of movement before wheels respond), clunking noises when turning, visible rust or pitting on the shaft, or binding when rotating the steering wheel. For u-joints specifically, look for red rust dust around the joint caps, which indicates worn needle bearings. Any visible looseness when you grab and shake the shaft means immediate replacement is needed. Most T800 steering shafts should be inspected every 100,000 miles or annually, whichever comes first. Preventive replacement of u-joints every 200,000-250,000 miles can prevent costly shaft damage.