Ford E-350 Quigley Conversion Shock Guide
A Ford E-350 with a Quigley 4x4 conversion needs more than a standard van fitment lookup. Conversion details and later modifications can change shock requirements. Use the listed options as starting points, then verify the dimensions and mounts on your actual van before ordering.
Why the conversion name is not enough
Quigley has converted Ford vans and trucks to four-wheel drive for decades, but vehicles can differ by conversion year, hardware, and subsequent changes. Some vans have additional lifts, different axles, or third-party suspension modifications. The 1992–2017 E-350 options therefore are not a universal fitment guarantee. Record the van's model year, conversion information, existing shock numbers, mounting styles, and suspension changes. That combination is more useful than simply asking for shocks for a Quigley.
Measure the working range correctly
Check the installed mounting distance at normal ride height, then establish the suspension's required compressed and extended mounting distances using safe workshop procedures. Ride-height length alone does not show whether a shock will bottom out or overextend. Suspension droop corresponds to the extended end of travel, not the compressed measurement. Do not rely on a freely hanging wheel to determine compression. A qualified installer can cycle the suspension and account for bump stops, brake hoses, steering, and other travel limits.
Front shock choices
For the front of your conversion, check application-correct KYB Excel-G, Bilstein B6 4600, Bilstein 5100, and Bilstein 5165 remote-reservoir options. Excel-G is a replacement-oriented option; the Bilstein choices provide different constructions and application possibilities. The 5165 remote reservoir adds oil capacity and requires suitable reservoir placement. None should be selected solely because it is described as more comfortable or more capable. The specific lengths, mounting ends, and damping must suit the van's actual configuration.
Rear shocks and inspection
For the rear, check application-correct KYB Gas-a-Just and Bilstein B6 4600 options. Confirm the rear application separately from the front, especially if the van carries a camper conversion, tools, or other permanent equipment. Inspect shocks around 50,000 miles as a useful review point, but inspect earlier after demanding off-road use or when symptoms appear. Leakage, damaged mounts, repeated bouncing, and deteriorating control deserve attention. Mileage is not a guarantee of service life.
Separate damping from load support
Shocks cannot correct overloaded springs, worn steering joints, or every source of body movement. Include those items in the inspection before upgrading. Select the right parts first, and ask Shockwarehouse for help if the measurements or existing hardware do not match the listed choices.
Applications and parts
1992-2017 E-350 Quigley Conversion Front Shocks
1992-2017 E-350 Quigley Conversion Rear Shocks
Photos and diagrams

Related reading
More information
Frequently asked questions
Are these shocks guaranteed to fit every Quigley E-350?
No. The guide is not definitive because conversion configurations and later modifications vary. Verify dimensions and mounting details.
Is measuring the installed shock enough?
No. You also need the required compressed and extended mounting distances, mounting styles, and appropriate travel clearances.