{"product_id":"acdelco-rear-air-lift-shock-absorber-gold-504-511-88946598-adjustable-25-200-psi-rear","title":"ACDelco Rear Air Lift Shock Absorber Gold 504-511 (88946598) — Adjustable 25–200 psi, Rear","description":"\u003cp\u003e\u003cstrong\u003eACDelco Gold 504-511 (88946598) Rear Air Lift Shock Absorber is an adjustable air-assisted rear shock designed to help level your vehicle and stabilize handling when towing or carrying temporary heavy loads.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhen hauling a boat, trailer or other temporary loads, suspension geometry and ride height can shift, causing poorer handling and extra stress on components. The ACDelco Gold air lift shock gives you on-vehicle tuning with 25–200 psi of air pressure to restore a level stance, help maintain alignment angles and reduce the chance of bottoming out. These shocks are vehicle-specific and engineered to fit intended applications while offering corrosion-resistant construction for longer life.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this air lift shock help when I tow or carry heavy cargo?\u003c\/h3\u003e\n\u003cp\u003eThe air chamber lets you add or release air to compensate for extra weight so the rear of the vehicle stays closer to its normal ride height. That keeps suspension geometry more stable, which can improve handling under load and reduce added wear on other suspension parts.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eAdjustable pressure range: 25–200 psi for precise leveling.\u003c\/li\u003e\n  \u003cli\u003eTemporary leveling capacity: up to 1,100 lbs per pair.\u003c\/li\u003e\n  \u003cli\u003eHelps reduce undercarriage contact and risk of bottoming out.\u003c\/li\u003e\n  \u003cli\u003eMaintains alignment angles to lessen uneven tire and component wear.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the key specifications and build features of the ACDelco Gold 504-511?\u003c\/h3\u003e\n\u003cp\u003eThis model (88946598) is built to match specific vehicle applications and real-world fit tests confirm compatibility. Durability features include a super finished chromed piston rod that resists corrosion and provides a consistent wear surface for better seal performance and longer service life.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eModel: ACDelco Gold 504-511 (88946598), rear application.\u003c\/li\u003e\n  \u003cli\u003eAir pressure range: 25–200 psi adjustable.\u003c\/li\u003e\n  \u003cli\u003eTemporary leveling capacity: up to 1,100 lbs per pair (do not exceed GVWR).\u003c\/li\u003e\n  \u003cli\u003eChromed piston rod for corrosion resistance and improved seal life.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I install and adjust the air pressure for best results?\u003c\/h3\u003e\n\u003cp\u003eInstallation follows vehicle-specific fitment points; these shocks replace standard rear dampers and require routing to an inflation valve or on-board air source. Adjust pressure incrementally while the vehicle is loaded to reach a level ride height—small changes yield noticeable differences.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplace the rear shocks according to vehicle-specific instructions.\u003c\/li\u003e\n  \u003cli\u003eInflate from 25 psi upward while monitoring ride height and handling.\u003c\/li\u003e\n  \u003cli\u003eDo not exceed vehicle GVWR; these shocks do not increase payload capacity.\u003c\/li\u003e\n  \u003cli\u003eRe-check pressure after initial miles and under different loads.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these shocks affect ride comfort and long-term maintenance?\u003c\/h3\u003e\n\u003cp\u003eWhen set for a temporary load, the shocks aim to preserve a stable ride without drastically changing on-road comfort for normal driving. Properly adjusted, they can reduce jarring from bottoming out and limit extra stress on bushings and mounts, but routine inspection is advised to ensure seals and fittings stay intact.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eImproves control under load while maintaining acceptable comfort unloaded.\u003c\/li\u003e\n  \u003cli\u003eLowers risk of suspension component wear by stabilizing height and alignment.\u003c\/li\u003e\n  \u003cli\u003eChromed rod and tested fitment support longer service life with routine checks.\u003c\/li\u003e\n  \u003cli\u003eNot a replacement for adequate vehicle-rated suspension upgrades.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The ACDelco Gold 504-511 rear air lift shock is aimed at drivers who occasionally tow boats, trailers or carry heavy temporary loads and want a vehicle-specific, adjustable solution to restore ride height and handling. It’s appropriate for owners seeking a durable, tested aftermarket shock that offers tunable support without permanently altering the vehicle’s payload rating. Always confirm fitment for your vehicle and observe the vehicle’s GVWR limits.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How much extra load can these shocks support?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They provide up to 1,100 lbs of temporary leveling capacity per pair when properly inflated, but do not increase vehicle payload or exceed GVWR.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What air pressure range do they use?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Adjustable from 25 to 200 psi so you can tune ride height and handling for different temporary loads.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ACDelco","offers":[{"title":"Default Title","offer_id":67585575518393,"sku":"B0012PRZJQ","price":281.59,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/acdelco-gold-504-511-front-packaging.jpg?v=1790472290","url":"https:\/\/redleafauto.ca\/products\/acdelco-rear-air-lift-shock-absorber-gold-504-511-88946598-adjustable-25-200-psi-rear","provider":"Redleaf Auto","version":"1.0","type":"link"}