§ 06 · Sourcing
Atlas Parts
OEM cross-reference and vetted aftermarket — sourced by rig owners, not algorithms. Applicability is filtered by year and drivetrain wherever it matters.
Wheels & tires
Wheels · Fitment
Astro & Safari Wheel Compatibility: 5-Lug vs 6-Lug
1985–2002 vans use 5×4.75 in (5×120.65 mm); 2003–2005 vans use 6×5.5 in (6×139.7 mm). Interactive year selector, year-range table, and honest fitment caveats.
Tires · Field Tool
Trail PSI Calculator: Airing Down an Astro or Safari
Conservative starting pressures for RWD, AWD, and SFA rigs by load, terrain, tire construction, and wheel-retention type. Save results to your Rig Profile.
Planned coverage
- • OEM part# lookup by year
- • Aftermarket cross-references
- • Vetted vendor sourcing (CA/US)
- • Bill of materials per build
- • Price watch & alerts
- • Community-rated suppliers