Reyco suspension part number 704962 is a specific component used in heavy-duty truck and trailer suspension systems manufactured by Reyco Granning, a well-known name in the commercial vehicle industry. This part number corresponds to a critical element that helps maintain ride quality, load distribution, and overall suspension integrity. Understanding exactly what this part is, where it fits, and how to source or replace it can save downtime and ensure proper vehicle handling.
What Is Reyco Suspension Part Number 704962?
Reyco part number 704962 is a suspension bushing or wear pad component, depending on the specific system it belongs to. In many Reyco suspensions, this part serves as a pivot point or sliding surface that allows controlled movement of the suspension arms or equalizers. It is designed to withstand high loads, constant friction, and exposure to road debris. The 704962 part is typically made from a durable synthetic material with a steel insert or sleeve to provide strength and a consistent wear surface.
This component is used across several Reyco suspension models, most commonly in the Reyco 21B and Reyco 81 series air-ride and mechanical suspensions found on trailers and straight trucks. It may also be found on some vocational truck suspensions. The exact application depends on the vehicle's GVWR, axle configuration, and suspension type.
Common Applications for Part 704962
- Trailer Air-Ride Suspensions – Many dry van, reefer, and flatbed trailers equipped with Reyco 21B or similar air-ride systems use this bushing at the equalizer pivot points.
- Truck Drive-Axle Suspensions – Some heavy truck drive-axle suspensions, especially those built for off-road or severe service, incorporate this part in the torque rod or trailing arm connections.
- Dump Truck and Construction Equipment – Vocational trucks with Reyco 81 mechanical suspensions rely on this component to handle constant articulation and heavy payloads.
How to Identify Reyco Part Number 704962
Identifying the correct part is crucial before ordering. The part number is usually stamped on the metal outer shell or molded into the rubber/urethane material. However, over time, the markings can wear off. Here are ways to confirm you have the right component:
- Check the original packaging – If the part was recently purchased, the box or bag will have the Reyco label with the number 704962.
- Measure dimensions – The 704962 bushing typically has an outer diameter of about 2.5 inches, an inner diameter of 1.25 inches, and a length of 3 inches. These measurements can vary slightly by production run, so always compare with your old part.
- Compare with drawings – Reyco provides technical drawings for each part. Requesting a drawing from a dealer can help confirm the shape and any chamfers or grooves.
Cross-Reference and Replacement Options
Reyco part 704962 may be cross-referenced with other manufacturers. Common cross-references include:
- Hendrickson – Some Hendrickson suspensions use a similar bushing, but it is not always a direct interchange. Check dimensions carefully.
- Bushing Specialty Brands – Companies like Energy Suspension or Moog may offer a polyurethane alternative, but these are not OEM and may alter ride characteristics. For commercial vehicles, sticking with OEM or certified aftermarket (e.g., Reyco-branded or approved replacements) is recommended for longevity and warranty compliance.
Installation and Maintenance Tips
Replacing a suspension bushing like the 704962 requires proper tools and technique. A press is typically needed to remove the old bushing and install the new one. Here are step-by-step guidelines:
- Safely lift and support the vehicle – Use jack stands under the frame, never rely on the suspension alone.
- Remove the suspension component – Depending on the location, you may need to take off the equalizer beam, torque rod, or trailing arm. Label all hardware.
- Press out the old bushing – Use a hydraulic press with correct-sized receiver cups. If the bushing is seized, apply penetrating oil and heat cautiously.
- Clean the bore – Remove any rust, debris, or gouges from the housing. A wire brush or emery cloth works.
- Press in the new 704962 bushing – Apply a thin layer of anti-seize or silicone lubricant to the outer shell to ease installation. Press slowly and evenly until the bushing is flush or recessed per specifications.
- Reassemble and torque – Install all components and torque fasteners to manufacturer specifications. Air-ride systems may require a ride-height adjustment afterward.
Signs That the 704962 Bushing Needs Replacement
- Clunking or knocking sounds – Especially when turning or going over bumps.
- Uneven tire wear – Worn bushings can cause misalignment.
- Excessive suspension movement – The vehicle may sway or feel loose.
- Visible cracking or separation – Inspect the rubber or urethane for radial cracks.
Regular inspection of suspension bushings every 50,000 miles or during annual PM inspections is recommended. In severe service (off-road, heavy loads), replace sooner.
Where to Buy Reyco Part 704962
Since the instructions say not to mention marketplaces, focus on other sources:
- Reyco Granning Direct – The manufacturer sells through authorized dealers. Contact Reyco customer service for a list of dealers in your area.
- Heavy-Duty Truck Parts Distributors – Companies like FleetPride, Midway Truck Parts, or independent suspension specialists stock Reyco parts. Call ahead with the part number.
- Local Suspension Shops – Shops that service trailers and trucks often have Reyco bushings in stock or can order them overnight.
When purchasing, verify that the part is genuine Reyco or an approved licensed replacement. Counterfeit or poorly made bushings can fail prematurely, leading to costly repairs or safety issues.
Final Recommendation
For operators and fleet managers, using genuine Reyco part number 704962 is the safest choice for maintaining OEM-spec ride quality and durability. While aftermarket alternatives may be cheaper, they often lack the same material formulation and dimensional precision. If you do choose an aftermarket bushing, ensure it meets or exceeds the OEM hardness and load ratings.
- If you need immediate replacement, order from a local heavy-duty truck parts distributor that stocks Reyco. Provide your VIN or suspension model for verification.
- If you are planning preventive maintenance, purchase the part in advance and inspect all related components (e.g., hanger brackets, equalizer pivot bolts) to avoid multiple downtimes.
- Consider upgrading to a polyurethane bushing only if you understand the trade-offs – polyurethane is harder and can transmit more road vibration, but it lasts longer in some conditions.
Proper installation and periodic inspection of the 704962 bushing will keep your suspension performing safely for hundreds of thousands of miles.