Unity 15-561000-HD Air Suspension Spring - Rear
OE Quality 60-Day Returns
Unity
 Heavy Duty Air Suspension Spring/Bag

Unity 15-561000-HD Air Suspension Spring - Rear

Brand Unity 15-561000-HD
Position Rear
Product line Heavy Duty Air Suspension Spring/Bag
Fits Ford and Lincoln · 22 vehicles

Heavy duty air spring/bag. Built for suspension support with an OEM-spec assembly.

Air suspension spring. Restores the function of a key suspension component.

Unity Automotive. Backed by over 40 years in aftermarket suspension parts.

Cross-references 7L1Z5A891B and 8L1Z5A891B for the same application. See all 2.

$221.45Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $221.45
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Air Suspension Spring options

Rear Heavy Duty Air Suspension Spring

Unity Heavy Duty Air Suspension Spring/Bag, part number 15-561000-HD, is a rear air spring built for Ford Expedition and Lincoln Navigator applications. It is made for drivers replacing a worn rear suspension air bag and looking for an OE-style solution that matches the vehicle’s original air suspension layout.

The Unity Heavy Duty Air Suspension Spring/Bag line focuses on suspension components built to OEM specifications, with manufacturing experience centered on aftermarket suspension systems. For shoppers searching for a rear air suspension spring for 2007-2017 Ford Expedition or 2007-2017 Lincoln Navigator, 15-561000-HD is the direct replacement reference to review.

  • Rear air suspension spring/bag for the rear suspension position
  • Fits 2007-2017 Ford Expedition, rear, Heavy Duty
  • Fits 2007-2017 Lincoln Navigator, rear, Heavy Duty
  • OE-style replacement for vehicles equipped with rear air suspension
  • Part number 15-561000-HD for catalog and fitment lookup
  • This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Detailed Fitment and Application

Use this rear air suspension spring/bag when servicing the rear suspension on 2007-2017 Ford Expedition and 2007-2017 Lincoln Navigator models with Heavy Duty air suspension. It is a fitment-based replacement for drivers searching terms such as rear air suspension spring for Ford Expedition, Lincoln Navigator rear air bag replacement, or 15-561000-HD rear suspension spring.

Common Replacement Reasons

  • Rear end sagging or uneven ride height
  • Air suspension warning lights related to rear spring performance
  • Loss of air pressure in the rear suspension bag
  • Harsh ride quality from a worn rear air spring
  • Need for a direct-fit rear suspension replacement on Expedition or Navigator

Installation Notes

Confirm the vehicle is equipped with rear Heavy Duty air suspension before ordering. Match the part number 15-561000-HD to the original application and verify the rear position on the vehicle. Professional installation is recommended for air suspension service because system inspection, leak checks, and ride-height verification are important after replacement.

Quality Assurance

Unity Automotive has more than 40 years of aftermarket parts manufacturing experience and builds suspension components to OEM specifications. The brand’s focus on suspension engineering and application coverage supports consistent fitment for rear air suspension service on Ford Expedition and Lincoln Navigator models.

Related reading

This part fits 22 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2017FordExpeditionRearHeavy Duty; Heavy Duty Air Suspension Spring/Bag
2017LincolnNavigatorRearHeavy Duty; Heavy Duty Air Suspension Spring/Bag
2016FordExpeditionRearHeavy Duty; Heavy Duty Air Suspension Spring/Bag
2016LincolnNavigatorRearHeavy Duty; Heavy Duty Air Suspension Spring/Bag
2015FordExpeditionRearHeavy Duty; Heavy Duty Air Suspension Spring/Bag
2015LincolnNavigatorRearHeavy Duty; Heavy Duty Air Suspension Spring/Bag
2014FordExpeditionRearHeavy Duty; Heavy Duty Air Suspension Spring/Bag
2014LincolnNavigatorRearHeavy Duty; Heavy Duty Air Suspension Spring/Bag
2013FordExpeditionRearHeavy Duty; Heavy Duty Air Suspension Spring/Bag
2013LincolnNavigatorRearHeavy Duty; Heavy Duty Air Suspension Spring/Bag
2012FordExpeditionRearHeavy Duty; Heavy Duty Air Suspension Spring/Bag
2012LincolnNavigatorRearHeavy Duty; Heavy Duty Air Suspension Spring/Bag
2011FordExpeditionRearHeavy Duty; Heavy Duty Air Suspension Spring/Bag
2011LincolnNavigatorRearHeavy Duty; Heavy Duty Air Suspension Spring/Bag
2010FordExpeditionRearHeavy Duty; Heavy Duty Air Suspension Spring/Bag
2010LincolnNavigatorRearHeavy Duty; Heavy Duty Air Suspension Spring/Bag
2009FordExpeditionRearHeavy Duty; Heavy Duty Air Suspension Spring/Bag
2009LincolnNavigatorRearHeavy Duty; Heavy Duty Air Suspension Spring/Bag
2008FordExpeditionRearHeavy Duty; Heavy Duty Air Suspension Spring/Bag
2008LincolnNavigatorRearHeavy Duty; Heavy Duty Air Suspension Spring/Bag
2007FordExpeditionRearHeavy Duty; Heavy Duty Air Suspension Spring/Bag
2007LincolnNavigatorRearHeavy Duty; Heavy Duty Air Suspension Spring/Bag
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
7L1Z5A891B8L1Z5A891B