View 1 Photo View 0 Videos Eaton-Spicer RD404 Diff Case Kit 2.64-3.25 Ratio SST, Part # S-F521 $55.10 USD DIFF CASE KIT 2.64-3.25 ratio, SST PN S-F521, Quantity2ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)RD404Stock Number508653 MLS Number14182454CategoryDifferential Misc. Parts Last Updated3/27/2026 LocationJackson, MS, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 1 Photo View 0 Videos Eaton-Spicer RD404 Ring & Pinion Hypoid Gear Set Ratio 3.42 $961.54 USD RING PINION HYPOID GEAR SET RATIO 3.42 REAR SPICER RSP/RDP40, 41, RS/RA/RD344, 404, 405, 454 , 12 PINION TEETH, 1.95 IN SHAFT DIAMETER , 39 SPLINE , 15.4 IN RING OD , 41 RING... ConditionNewRear End3.42 ratioFits To Make(s)EATON-SPICERFits To Model(s)RD404Stock NumberSST 504055 MLS Number10836758CategoryDifferential Misc. Parts Last Updated3/28/2026 LocationPortland, OR, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton-Spicer Piston Driver RD404 $15.44 USD PISTON DRIVER RD404 ConditionUsedFits To Make(s)EATON-SPICERFits To Model(s)RD404Stock NumberHDT 128640 MLS Number14216054CategoryDifferential Misc. Parts Last Updated3/27/2026 LocationTampa, FL, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton-Spicer Differential Shift Fork DD/RD404 $41.11 USD DIFFERENTIAL SHIFT FORK SPICER DD/RD404 Quantity2ConditionNewFits To Make(s)EATON-SPICERFits To Model(s)RD404Stock NumberSST 217465 MLS Number14208062CategoryDifferential Misc. Parts Last Updated3/27/2026 LocationWykoff, MN, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton-Spicer Sliding Curvic Clutch Gear 41 INV Spline RD404 $175 USD SLIDING CURVIC CLUTCH GEAR 41 INV SPLINE Quantity2ConditionUsedFits To Make(s)EATON-SPICERFits To Model(s)RD404Stock Number2201778 MLS Number14177407CategoryDifferential Misc. Parts Last Updated3/27/2026 LocationToledo, OH, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info
View 0 Photos View 0 Videos Eaton-Spicer RD404 Diff Lock Top Case Half with Diff Lock Collar $250 USD RD 404 DIFF LOCK TOP CASE HALF WITH DIFF LOCK COLLAR ConditionUsedFits To Make(s)EATON-SPICERFits To Model(s)RD404Stock Number2162647 MLS Number11499058CategoryDifferential Misc. Parts Last Updated3/28/2026 LocationToledo, OH, US Sold ByLKQ Heavy Truck (855) 905-___ SHOWNUMBERCall Seller Email Seller Save More Info