MODEL YEAR FRONT REAR Premium Super Gas-A-Just Premium Super Gas-A-Just Twin-tube Mono-tube Twin-tube Mono-tube Oil Gas Gas Oil Gas Gas When sold out use alternative part #          When sold out , part # no longer available GMC Truck Denali 98-99 KG5480 KG5479 Jimmy, Yukon (2WD) (excluding S-Series) w/Coil spring 69-72 KG5409 w/Leaf spring 69-72 KG5409 KG5419 73-91 KG5409 KG5415 Jimmy, Yukon (2WD) (excluding S-Series) 2 Door 95-99 KG5478 KG5479 4 Door 95-99 KG5478 Jimmy, Yukon (4WD) (excluding S-Series) 69-72 KG5408            excl w/dual front shocks 73-91 KG5408 KG5415 w/Dual front shocks - inside shock 80-84 KG5415 w/Dual front shocks - outside shock 80-91 KG5408 KG5415 w/Dual front shcoks - inside shock 85-91 KG5415 92-99 KG5480 KG5479 Safari Mini-Van 4WD 91-99 KG5480 C & R - Series (2WD) Pickup, Suburban C1500, C2500 63-66 KG5409 KG5419 C1500, C2500 w/coil spring 67-72 KG5409 C1500, C2500 w/leaf spring 67-72 KG5409 KG5419 C3500 excl w/157" WB & 11,000lb axle 67-72 KG5409 KG5419 C3500 w/157" WB & 11,000lb axle 67-72 KG5409 C1500, R1500, C2500, R2500 excl Crew Cab 73-87 KG5409 KG5415 C2500, R2500 Crew Cab 73-87 KG5409 KG5420 C3500 HD series 73-87 KG5409 KG5420 R2500 88-90 KG5409 KG4515