{"product_id":"dor-22-603hd","title":"Dorman - Suspension Leaf Spring - 22-603HD","description":"\u003cstyle\u003e     body {         font-family: Arial, sans-serif;         line-height: 1.6;         color: #333;         margin: 20px;     }      h2 {         font-size: 1.5em;         color: #2c3e50;         margin-top: 30px;         border-bottom: 2px solid #eee;         padding-bottom: 5px;     }      p {         font-size: 1em;         margin-bottom: 15px;     }      ul {         padding-left: 20px;         margin-bottom: 20px;     }      ul li {         margin-bottom: 10px;         list-style-type: disc;     }      table {         width: 100%;         border-collapse: collapse;         margin-bottom: 30px;     }      table th,     table td {         text-align: left;         padding: 10px;         border: 1px solid #ddd;         font-size: 0.95em;     }      table th {                  width: 40%;         font-weight: bold;     }      table tr:nth-child(even) {         background-color: #fafafa;     } \u003c\/style\u003e  Suspension Leaf Spring \u003ch2\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/h2\u003e\u003cdiv\u003e\n\u003cp\u003eProperly functioning leaf springs hold the weight and payload of a vehicle or trailer and are essential to suspension performance and passenger comfort. Check the product attributes to select the right leaf spring for your application.\u003c\/p\u003e\n\u003cul id=\"ulFeatureBenefit1\"\u003e\n\u003cli id=\"liFeatureBenefitBullet1\"\u003eDirect replacement - these leaf springs are designed to match the fit and function of the original leaf springs on specific vehicles or trailers\u003c\/li\u003e\n\u003cli id=\"liFeatureBenefitBullet2\"\u003eIdeal solution - seamlessly replaces leaf springs damaged by overloading, collision, cracking or corrosion, or are due for replacement\u003c\/li\u003e\n\u003cli id=\"liFeatureBenefitBullet3\"\u003eDurable construction - made from quality materials to strict specifications to ensure reliable performance and long service life\u003c\/li\u003e\n\u003cli id=\"liFeatureBenefitBullet4\"\u003eTrustworthy quality - engineered, manufactured and supported by the premier aftermarket leaf spring provider in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003ch2\u003e\u003cstrong\u003eProduct Specifications\u003c\/strong\u003e\u003c\/h2\u003e\u003ctable border=\"1\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eAxle Modification Needed:\u003c\/th\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAxle Orientation:\u003c\/th\u003e\n\u003ctd\u003eRear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBushing Color:\u003c\/th\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBushings Included:\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCenter Hole:\u003c\/th\u003e\n\u003ctd\u003e3\/8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor:\u003c\/th\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCup:\u003c\/th\u003e\n\u003ctd\u003eC3 Dn all\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEnd 1 Attachment Type:\u003c\/th\u003e\n\u003ctd\u003eUp Turned Eye\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEnd 2 Attachment Type:\u003c\/th\u003e\n\u003ctd\u003eUp Turned Eye\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGrading:\u003c\/th\u003e\n\u003ctd\u003e10\/401 2ND 1\/999\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHelper Spring:\u003c\/th\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLE End Type\/Bushing No:\u003c\/th\u003e\n\u003ctd\u003eStd\/RB-129\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLeaf Quantity:\u003c\/th\u003e\n\u003ctd\u003e11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLeaf Spring Arch Length:\u003c\/th\u003e\n\u003ctd\u003e4.25 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLeaf Width:\u003c\/th\u003e\n\u003ctd\u003e2.5 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLength Axis 1:\u003c\/th\u003e\n\u003ctd\u003e26 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLength Axis 2:\u003c\/th\u003e\n\u003ctd\u003e26 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLength B:\u003c\/th\u003e\n\u003ctd\u003e26 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLoad Rate:\u003c\/th\u003e\n\u003ctd\u003e4500 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial:\u003c\/th\u003e\n\u003ctd\u003eSteel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMounting Hardware Included:\u003c\/th\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNumber of Leaves:\u003c\/th\u003e\n\u003ctd\u003e10\/1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Thickness:\u003c\/th\u003e\n\u003ctd\u003e59 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Contents:\u003c\/th\u003e\n\u003ctd\u003e1 Leaf Spring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Quantity:\u003c\/th\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackaging Type:\u003c\/th\u003e\n\u003ctd\u003eBox\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSE End Type\/Bushing No:\u003c\/th\u003e\n\u003ctd\u003eStd\/RB-129\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSpring Arch Length:\u003c\/th\u003e\n\u003ctd\u003e4.25 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSpring Design:\u003c\/th\u003e\n\u003ctd\u003eEyes Both Ends\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSpring Research Institute Number:\u003c\/th\u003e\n\u003ctd\u003e22-603HD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSpring Type:\u003c\/th\u003e\n\u003ctd\u003eLeaf Spring\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSuspension Grade Type:\u003c\/th\u003e\n\u003ctd\u003eHeavy Duty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003e\u003cstrong\u003eOE Numbers\u003c\/strong\u003e\u003c\/h2\u003e\u003ctable border=\"1\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e06259276\u003c\/th\u003e\n\u003ctd\u003eGENERAL MOTORS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e45082\u003c\/th\u003e\n\u003ctd\u003eEAGLE SUSPENSION\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003e471888\u003c\/th\u003e\n\u003ctd\u003eGENERAL MOTORS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e \u003ch2\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/h2\u003e\u003ctable border=\"1\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eYear\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eConfiguration\u003c\/th\u003e\n\u003cth\u003ePositions\u003c\/th\u003e\n\u003cth\u003eApplication Notes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1991\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eP30\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eRear\u003c\/td\u003e\n\u003ctd\u003eExc. Low Profile Chassis; 4,500 Lb. Average Capacity; 10 Leaf \/1 Leaf \/Two Stage Spring; 5 In. Pack Thickness; Heavy Duty Aftermarket Design; w\/RPO Code JF9 (Hydraulic 4 Wheel Disc Brakes)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1991\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eP3500\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eRear\u003c\/td\u003e\n\u003ctd\u003eExc. Low Profile Chassis; 4,500 Lb. Average Capacity; 10 Leaf \/1 Leaf \/Two Stage Spring; 5 In. Pack Thickness; Heavy Duty Aftermarket Design; w\/RPO Code JF9 (Hydraulic 4 Wheel Disc Brakes)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1977-1990\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eP30\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eRear\u003c\/td\u003e\n\u003ctd\u003e4,500 Lb. Average Capacity; 10 Leaf \/1 Leaf \/Two Stage Spring; 5 In. Pack Thickness; Heavy Duty Aftermarket Design; w\/RPO Code JF9 (Hydraulic 4 Wheel Disc Brakes)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1979-1990\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eP3500\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eRear\u003c\/td\u003e\n\u003ctd\u003e4,500 Lb. Average Capacity; 10 Leaf \/1 Leaf \/Two Stage Spring; 5 In. Pack Thickness; Heavy Duty Aftermarket Design; w\/RPO Code JF9 (Hydraulic 4 Wheel Disc Brakes)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1977-1978\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eP35\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eRear\u003c\/td\u003e\n\u003ctd\u003e4,500 Lb. Average Capacity; 10 Leaf \/1 Leaf \/Two Stage Spring; 5 In. Pack Thickness; Heavy Duty Aftermarket Design; w\/RPO Code JF9 (Hydraulic 4 Wheel Disc Brakes)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1975-1976\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eP30\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eRear\u003c\/td\u003e\n\u003ctd\u003e4,500 Lb. Average Capacity; 10 Leaf \/1 Leaf \/Two Stage Spring; 5 In. Pack Thickness; w\/RPO Code JB9 (15 x 4 Rear Drum Brakes); Heavy Duty Aftermarket Design\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1975-1976\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eP35\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eRear\u003c\/td\u003e\n\u003ctd\u003e4,500 Lb. Average Capacity; 10 Leaf \/1 Leaf \/Two Stage Spring; 5 In. Pack Thickness; w\/RPO Code JB9 (15 x 4 Rear Drum Brakes); Heavy Duty Aftermarket Design\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1973-1974\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eP30 Van\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eRear\u003c\/td\u003e\n\u003ctd\u003e4,500 Lb. Average Capacity; 10 Leaf \/1 Leaf \/Two Stage Spring; 5 In. Pack Thickness; w\/RPO Code JB9 (15 x 4 Rear Drum Brakes); Heavy Duty Aftermarket Design\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1973-1974\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eP35\/P3500 Van\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eRear\u003c\/td\u003e\n\u003ctd\u003e4,500 Lb. Average Capacity; 10 Leaf \/1 Leaf \/Two Stage Spring; 5 In. Pack Thickness; w\/RPO Code JB9 (15 x 4 Rear Drum Brakes); Heavy Duty Aftermarket Design\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e  \u003cp\u003e\u003cstrong\u003eBuy with confidence\u003c\/strong\u003e – If you encounter any issues with your Dorman  product, simply reach out to us. We are committed to ensuring your satisfaction and will assist with any return or exchange requests that meet our\u003cspan style=\"color: rgb(230, 37, 37);\"\u003e \u003ca style=\"color: rgb(230, 37, 37);\" rel=\"noopener\" href=\"https:\/\/www.wheelsynergy.com\/pages\/return-and-refund-policy\" target=\"_blank\"\u003epolicy guidelines\u003c\/a\u003e\u003c\/span\u003e.\u003c\/p\u003e     \u003ch2\u003eWhy Choose Dorman? \u003c\/h2\u003e\u003cp\u003eDorman is a trusted leader in OE-style replacement parts,  offering precision-engineered solutions for reliable performance. Each part undergoes rigorous testing to ensure durability, safety, and a seamless fit.  Designed as a cost-effective alternative to OEM parts, Dorman provides high-quality replacements backed by expert engineering. Choose Dorman for dependable,  long-lasting automotive solutions.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":62489185026207,"sku":"591|22-603hd","price":506.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0337\/4949\/9963\/files\/Leaf-Springs_Infographic_91bb85d6-3906-4653-82ba-b00433cffe10.jpg?v=1757002854","url":"https:\/\/www.wheelsynergy.com\/products\/dor-22-603hd","provider":"Wheel Synergy","version":"1.0","type":"link"}