Here are a few Silver doors for you...
2003
Rear Door
Ford Explorer -LH,SIL,PL,4/03,000, M203P C2115 $650.16 Y-Yard Auto and Truck Parts USA-IL(Effingham) Request_Quote 1-800-252-4040 Request_Insurance_Quote
2001
Rear Door
Ford Explorer Sport Trac 4DR4X4,P,T,P,SILVER, TS 6D1 6D1 A
1
hrs CWG655 $556
actual B & R Auto Wrecking, Corvallis USA-OR(Corvallis) E-mail 1-888-325-8469
2003
Rear Door
Ford Explorer 4WD,SIL,9-02,PW,PL,S PRTRAC 000 A
0 11778 $500
actual Kitsap Truck and Auto USA-WA(Port-Orchard) E-mail 1-800-509-1001
2003
Rear Door
Ford Explorer Sport Trac 4DR,3PWR,SIL,9-02 **1 A
1
hrs 6555 $500
actual 78 West, Inc. USA-AL(Oxford) E-mail 1-800-852-8778
2003
Rear Door
Ford Explorer 4SPTTRAC,XLT,SILVER, PPL,GREY,MLD5.5 S73782 $438.05
--Can--
$495.00 Lecavalier- Ste Sophie Can-QC(Ste-Sophie) E-mail 1-800-363-2567 / 1-800-570-3977
2002
Rear Door
Ford Explorer (ele), Spt Trac, LH- SILVER F14615 $400.11 Westex Auto Parts Inc. - KOLT USA-TX(Big-Spring) Request_Quote 1-800-622-1888 Request_Insurance_Quote
2003
Rear Door
Ford Explorer Sport Trac SILVER,SPT TRK,POWER,NICE 000 A
0 H2787 $400
undmg LaPoint Discount USA-OH(Holland) E-mail 1-800-845-0270
2001
Left Rear Door
Ford Explorer 000 SILVER 7-416 $400 Denton Auto Salvage - PRP USA-KS(St.-Marys) E-mail 1-800-641-2886
2002
Rear Door
Ford Explorer Sport SILVER, WE CAN INSTALL 008213 $400 AACHEN AUTO USA-MI(Ypsilanti) E-mail 1-734-484-0508
2002
Left Rear Door
Ford Explorer SIL;SHELL ONLY;1.0 LIP;Z **1 NOF $225 Johnson Auto Recycling Lavonia USA-GA(Cannon) E-mail 1-866-664-7779 / 1-800-943-4129
2003
Rear Door
Ford Explorer Sport Trac PW,PL,AM-TNT,SIL,LT- LIP-CU,000 000 A
0 M71976 $Call Millers Auto Recycling Can-ON(Fort-Erie) E-mail 1-800-263-8104
I am sure there are more, but this should give you an idea....
Good luck...