2021 Chevrolet Express 4500 Steering Parts

This table covers the Center / Drag links. Typical signs include a clunk over a driveway lip, or a rattle from the bar. Replace links in pairs; a seized stud often takes the bushing with it. Read more

3 Center / Drag Link parts are listed for the 2021 Chevrolet Express 4500, from GM GENUINE, MOOG and DORMAN.

The Daily Driver section lists 2 options from GM GENUINE and MOOG — grouped for everyday commuting duty. GM GENUINE 86511718 is listed in this group.

In the Economy grade, DORMAN supplies 1 part: the catalog's value-priced group. A representative part number is DORMAN 540892.

Part numbers include GM GENUINE 86511718, MOOG DS300048 and DORMAN 540892.

This table covers the Idler arms. Read more

9 Idler Arm parts are listed for the 2021 Chevrolet Express 4500, from MOOG, DORMAN, GM GENUINE and 4 other brands. MOOG K6534HD carries the "Popular" badge.

The Daily Driver section: 3 options from MOOG, GM GENUINE and TRW. MOOG K6534HD is listed in this group.

Economy: 5 parts, from DORMAN, MOOG, QUICK STEER and 2 other brands. A representative part number is DORMAN 541134.

The Heavy Duty section lists 1 option from DORMAN — rated for severe service. DORMAN IA6534RD is listed in this group.

Part numbers include MOOG K6534HD, GM GENUINE 85819770 and TRW JIA204, among others listed above.

This table covers the brackets that mount the Idler Arm. Typical signs include a cracked mount, a rattle, or a bracket that no longer holds alignment. Confirm position in the notes. Many brackets look alike and bolt to different corners. Read more

9 Idler Arm Bracket parts are listed for the 2021 Chevrolet Express 4500, from DORMAN, FVP, SKP and 2 other brands. MOOG K6723 carries the "Popular" badge.

Economy: 8 parts, from DORMAN, FVP, SKP and 2 other brands. A representative part number is MOOG K6723.

The Heavy Duty section: 1 option from DORMAN. DORMAN IB90086RD is listed in this group.

Listed part numbers: MOOG K6723 and DORMAN 541195, plus the other parts above.

This table covers the steering knuckles that carry the hub, caliper and ball joints. Read more

2 Knuckle parts for the 2021 Chevrolet Express 4500 come from GM GENUINE.

This group includes GM GENUINE 85022680 and GM GENUINE 85022681.

This table covers the Pitman arms. Read more

10 Pitman Arm parts for the 2021 Chevrolet Express 4500 come from 8 brands — MOOG, DORMAN, DELPHI and 5 other brands. The "Popular" part is SKP SK6654.

Daily Driver: 5 parts, from MOOG, DELPHI, GM GENUINE and 1 other brand. A representative part number is DELPHI TA2409.

The Economy section: 4 options from SKP, DORMAN, FAMOUS BRAND and 1 other brand. SKP SK6654 is listed in this group.

Heavy Duty: 1 part, from DORMAN. A representative part number is DORMAN PA6654RD.

This table covers the Pitman Shaft bearings. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly. Read more

This group shows a single part: GM GENUINE 05697804.

This table covers the Power Steering coolers. Typical signs include overheated fluid, a leak at the fittings, or mixed fluids in the reservoir. Flush the lines when you replace a cooler. Read more

GM GENUINE supplies the 3 Power Steering Cooler parts for the 2021 Chevrolet Express 4500.

This group includes GM GENUINE 86344980, GM GENUINE 86344979 and GM GENUINE 86344981.

This table covers the fluids specified for this steering system. Typical signs include discolored fluid, a burnt smell, or a level that keeps dropping. Use only the specification in the notes — the tables group grades because they are not interchangeable. Read more

7 Power Steering Fluid parts are listed for the 2021 Chevrolet Express 4500, from PRESTONE and ACDELCO. PRESTONE AS263Y carries the "Popular" badge.

This group includes PRESTONE AS263Y, PRESTONE AS261 and ACDELCO 105074 and the remaining parts above.

This table covers the seals at the Power Steering Pressure Hose. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

This group shows a single part: GM GENUINE 26001594.

This table covers the Power Steering pumps. Typical signs include noise from the pump, no pressure, or fluid that never arrives at the outlet. Prime or fill the pump as the notes require. A dry start is a common way to kill a new unit. Read more

2 Power Steering Pump parts are listed for the 2021 Chevrolet Express 4500, from GM GENUINE and TERREPOWER.

In the New grade, GM GENUINE supplies 1 part: brand-new units rather than rebuilt ones. A representative part number is GM GENUINE 86564077.

In the Remanufactured grade, TERREPOWER supplies 1 part: factory-rebuilt units with new wear components. A representative part number is TERREPOWER 73072100.

Part numbers include GM GENUINE 86564077 and TERREPOWER 73072100.

This table covers the brackets that mount the Power Steering Pump. Typical signs include a cracked mount, a rattle, or a bracket that no longer holds alignment. Confirm position in the notes. Many brackets look alike and bolt to different corners. Read more

One part is listed for the 2021 Chevrolet Express 4500 — GM GENUINE 12654286.

This table covers the Power Steering Pump Mounting bolts. Read more

One part is listed for the 2021 Chevrolet Express 4500 — GM GENUINE 11588725.

This table covers the Power Steering Pump pulleys. Typical signs include a growl or chirp that follows engine speed, or a pulley that will not spin freely by hand. Spin each pulley with the belt off. Roughness or play means replace it with the belt. Read more

This group shows a single part: GM GENUINE 12682902.

This table covers the Power Steering reservoirs. Read more

6 Power Steering Reservoir parts for the 2021 Chevrolet Express 4500 come from 5 brands — GM GENUINE, SKP, DORMAN and 2 other brands. The "Popular" part is SKP SK603851.

This group includes SKP SK603851, DORMAN 603851 and GM GENUINE 23242109 and the remaining parts above.

This table covers the Power Steering Reservoir (Suction) hoses. Typical signs include swelling, cracks, a soft spot, or a leak at a clamp. Replace adjacent aged hoses while the system is drained — they share the same heat cycle. Read more

One part is listed for the 2021 Chevrolet Express 4500 — GM GENUINE 86781737.

This table covers the Power Steering Reservoir caps. Typical signs include a leak at the neck, a cap that will not hold pressure, or a missing tether. Match the pressure rating or thread in the notes — radiator, reservoir and fuel caps are not interchangeable. Read more

This group shows a single part: GM GENUINE 26095244.

This table covers the steering columns. Read more

2 Steering Column parts for the 2021 Chevrolet Express 4500 come from GM GENUINE.

This group includes GM GENUINE 84879212 and GM GENUINE 84879213.

This table covers the Steering Column Pivot pins. Read more

One part is listed for the 2021 Chevrolet Express 4500 — GM GENUINE 84643905.

This table covers the seals at the Steering Column Shaft. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

GM GENUINE supplies both parts for the 2021 Chevrolet Express 4500.

Part numbers include GM GENUINE 15898223 and GM GENUINE 86531577.

This table covers the Steering gears. Read more

5 Steering Gear parts are listed for the 2021 Chevrolet Express 4500, from GM GENUINE, TERREPOWER and AAE. GM GENUINE 86285183 carries the "Popular" badge.

New: 3 parts, from GM GENUINE, AAE and TERREPOWER. A representative part number is GM GENUINE 86285183.

Remanufactured: 2 parts, from GM GENUINE and TERREPOWER. A representative part number is GM GENUINE 86427198.

Part numbers include GM GENUINE 86285183, AAE 7828N and TERREPOWER N5030188, among others listed above.

This table covers the seals at the Steering Gear Pitman Shaft. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

One part is listed for the 2021 Chevrolet Express 4500 — GM GENUINE 26002516.

This table covers the Steering Gear rebuild kits. Read more

This group shows a single part: GM GENUINE 15813692.

This table covers the Steering shafts. Read more

2 Steering Shaft parts for the 2021 Chevrolet Express 4500 come from GM GENUINE.

Listed part numbers: GM GENUINE 23275359 and GM GENUINE 84304425.

This table covers the Steering Shaft bearings. Typical signs include a growl that rises with speed, or play in the shaft or hub. Set preload the way the notes specify. A dry or crushed bearing fails quickly. Read more

This group shows a single part: GM GENUINE 86531576.

This table covers the Steering Shaft Lock rings. Read more

One part is listed for the 2021 Chevrolet Express 4500 — GM GENUINE 22834640.

This table covers the Steering Wheel Nut rings. Read more

One part is listed for the 2021 Chevrolet Express 4500 — GM GENUINE 11609658.

This table covers the Steering Wheel position sensors. Typical signs include a stall, a no-start, or a code for cam or crank correlation. Check the connector and the reluctor gap before replacing the sensor. Read more

2 Steering Wheel Position Sensor parts for the 2021 Chevrolet Express 4500 come from 2 brands — GM GENUINE and WELLS.

Part numbers include GM GENUINE 13590209 and WELLS 5S13868.

This table covers complete inner-and-outer tie-rod assemblies. Read more

This group shows a single part: AAM 40282406.

This table covers the inner and outer tie-rod ends that steer each front knuckle. Typical signs include play on center, a feathered front tire, or a boot that has split and packed with grit. Replace inner and outer ends together on a high-mileage axle, then get an alignment. Read more

23 Tie Rod End parts are listed for the 2021 Chevrolet Express 4500, from MEVOTECH, DORMAN, MOOG and 7 other brands. MOOG ES3609 carries the "Popular" badge.

The Daily Driver section: 9 options from MOOG, DELPHI, GM GENUINE and 2 other brands. MOOG ES3609 is listed in this group.

Economy: 10 parts, from MEVOTECH, SKP, DORMAN and 2 other brands. A representative part number is MEVOTECH GES3609.

The Heavy Duty section: 2 options from DORMAN. DORMAN TO92435RD is listed in this group.

The Premium section lists 1 option from MEVOTECH — a step above OE specification in materials, tolerances or warranty terms. MEVOTECH TXES3609 is listed in this group.

1 ungrouped part is not assigned to a grade, with the same engine-level match.

This table covers the Tie Rod nuts. Read more

One part is listed for the 2021 Chevrolet Express 4500 — GM GENUINE 11609283.