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1983-1984 Buick Electra Limited Park Avenue (Rear) (Liter: 5.7 / Qualifier: Variable Rate); 1977-1985 Buick LeSabre Limited Custom (Rear) (Doors: 4, 2 & Body: Sedan, Coupe & Liter: 3.8, 5.7, 4.9, 5.0, 4.1 / Qualifier: Variable Rate); 1977-1978 Buick Riviera (Rear) (Qualifier: Variable Rate); 1992-1996 Buick Roadmaster (Rear) (Doors: 4 & Body: Sedan / Qualifier: Variable Rate); 1993-1996 Cadillac Commercial Chassis (Rear) (Liter: 5.7 & Drive: RWD / Qualifier: Variable Rate); 1993-1996 Cadillac Fleetwood (Rear) (Drive: RWD / Qualifier: Variable Rate); 1977-1996 Chevrolet Caprice Classic Classic LTZ Base (Rear) (Doors: 4, 2 & Body: Sedan, Coupe, Wagon & Liter: 5.0, 5.7, 4.1, 3.8, 4.4, 4.3 & Fuel: DIESEL / Qualifier: Variable Rate); 1977-1985 Chevrolet Impala Custom (Rear) (Doors: 4, 2 & Body: Sedan, Coupe & Liter: 5.7, 5.0, 4.1, 4.4, 3.8, 4.3 & Fuel: DIESEL & Transmission Base Gear: 3 & Transmission Base Type: Transmission & Transmission Control Type: Automatic / Qualifier: Variable Rate, with Automatic Overdrive Transmission (A.O.T.)); 1984 Oldsmobile 98 (Rear) (Qualifier: Variable Rate); 1977-1985 Oldsmobile Delta 88 Base Royale Royale Brougham Holiday (Rear) (Qualifier: Variable Rate); 1977-1981 Pontiac Bonneville Brougham Base (Rear) (Doors: 2, 4 & Body: Coupe, Sedan & Liter: 4.9, 6.6, 5.7, 3.8, 4.3, 5.0 & Fuel: GAS / Qualifier: Variable Rate, with L76 Engine Designation); 1977-1981 Pontiac Catalina (Rear) (Doors: 4, 2 & Body: Sedan, Coupe & Liter: 3.8, 4.9, 5.7, 6.6, 4.3, 5.0 & Fuel: GAS, DIESEL / Qualifier: Variable Rate, with Engine Code L78, with Engine Code L80); 1977-1986 Pontiac Parisienne (Rear) (Doors: 4, 2 & Body: Sedan, Coupe & Liter: 5.7, 3.8, 4.3, 5.0 & Fuel: GAS, DIESEL / Qualifier: Variable Rate)
| Make | Model | Year |
|---|---|---|
| BUICK | ELECTRA | 1984-1983 |
| LESABRE | 1985-1977 | |
| RIVIERA | 1978-1977 | |
| ROADMASTER | 1996-1992 | |
| CADILLAC | FLEETWOOD | 1996-1993 |
| CHEVROLET | CAPRICE | 1996-1977 |
| IMPALA | 1985-1977 | |
| OLDSMOBILE | 98 | 1984 |
| DELTA 88 | 1985-1977 | |
| PONTIAC | BONNEVILLE | 1981-1977 |
| CATALINA | 1981-1977 | |
| PARISIENNE | 1986-1983 |
| Bar Diameter - Inches | 0.67 |
| Bar Diameter - MM | 17.10 |
| End 1 Type | Pigtail |
| End 2 Type | Pigtail |
| Free Height - Inches | 16.70 |
| Free Height - MM | 424.20 |
| Front Spring Compressed Length | 12.75 IN |
| Front Spring Compressed Length | 323.90 MM |
| Front Spring Outside Diameter | 6.870 IN |
| Front Spring Relaxed Length | 16.70 IN |
| Front Spring Relaxed Length | 424.20 MM |
| ID - Inches | 5.53 |
| ID - MM | 140.50 |
| Installation Height - Inches | 12.75 |
| Installation Height - MM | 323.90 |
| Load - lbs | 640.00 |
| Part Description | Coil Spring Set |
| Rear Spring Compressed Length | 12.75 IN |
| Rear Spring Compressed Length | 323.90 MM |
| Rear Spring Outside Diameter | 6.870 IN |
| Rear Spring Relaxed Length | 16.70 IN |
| Rear Spring Relaxed Length | 424.20 MM |
| Spring Color | Black |
| Spring Rate - lbs per inch | 175.00 |
| Spring Type | Variable Rate |
| Wire Diameter | 0.67 IN |
| Wire Diameter | 17.10 MM |
| Country of Origin (Primary) | US |
| Canadian Harmonizing Tariff Code | 7320200020 |
| Harmonized Tariff Code (Schedule B) | 7320201000 |
| Harmonized Tariff Code (HTS) | 7320201000 |
| Refurbished Part | N |
| Remanufactured Part | N |
| UPC | 00080066140872 |
| VMRS Code | 016002002 |
| UNSPSC | 31161903 |
| Brand | Part Number |
|---|---|
| Maremont | 91-0621 |
| Perfect Circle | 277-5169 |
| Sealed Power | 832-621 |
| TRW | CC621 |
| ACDelco | 45H3011 |
| N/A | |
| Mcquay-Norris | RCS621V |
| Monroe Shocks & Struts | 64002, U621DV |
| Raybestos Brakes | 591-1011 |
| Firestone | 52041201 |
| Mevotech | SMS621V |
| Duralast | RCS621V |
| TRW Steering and Suspension Parts | CC621 |
| NAPA | 277-5169 |
| Roadmates | 110115 |
| AutoZone | DG5911011, RCS621V |
| NAPA Chassis Parts | 277-5169 |
| Mevotech Supreme | SMS621V |
| Duralast Gold | DG5911011 |
| Pontotoc | U621DV |
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For over 100 years, Moog® has been an industry leader in mid- to high-end aftermarket parts for steering, suspension, and driveline systems worldwide. Utilized by daily commuters to entire fleets, Moog parts have become synonymous with reliable performance that’s just as good or even better than their OE counterparts. Moog also incorporates innovative features in their products not found in competing products, such as patented forged steel bodies and metal “gusher” bearings that greatly reduce friction across moving components. The brand also leads the way in after-sales support, with comprehensive technical assistance and training materials available for customers around the world.
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