Latest oil seal ring Tenders | Government oil seal ring Tenders

Central Government/Public Sector

CTN :45303026

13 Jun, 2026 95.0 Thousand

Sunderbani - Jammu And Kashmir

Tender For supply of seal o ring liner,gasket engine oil sump,gasket egr valve,gasket turbo charger oil outlet,gasket turbo charger to adopter ggo,washer 20 point 5 aluminum sealing adapter,rod valve push rod e 3,seal oil crankshaft,gasket fip gear inspection cover,spacer crank pully,seal o ring spacer,bolt water fan,gasket water pump,bearing 620322 fly wheel,seal oil crank shaft rear,gasket crank shaft rear,belt drwe fan belt,gasket hydraulic pump,filter assy second dry for turbo charger,filter assy engine lube oil,injector fuel return pipe,fuel filter primary and secondary,gasket fuel tank,gasket cylinder head,gasket air intake manifold,gasket exhaust manifold,gasket cylinder head cover,circlip piston pin,bearing connecting rod,gasket tube rocker cover,seal valve stem,gasket muffler assy,ring thermostat sealing,thermostat valve,gasket water outlet,seal o ring hub front axle,seal oil half shaft front axle,seal wheel housing front axle,tie rod end rh and lh,bush pin swevel housing upper,bearing sp herical king pin,pin upper king

Corporations/Associations/Others

CTN :45267475

02 Jun, 2026 1.84 Lacs

Channarayapatna - Karnataka

Tender For annual supply of pipe materials and other spare parts for water supply section of tmc channarayapatna - one and half inch pvc pipe isi mark, one and one by four inch pvc pipe isi mark, kal inch pvc pipe isi mark, six inch pvc pipe isi mark, four inch pvc pipe isi mark, three inch pvc pipe isi mark, two and one by two inch pvc pipe isi mark, two inch pvc pipe isi mark, twoandhalfinchpvcbendisimark, two inch pvc bend isi mark, four inch gm gate valve isi mark, three inch gm gate valve isi mark, two and half inch gm gate valve isi mark, two inch gm gate valve isi mark, two inch gi collar isi mark, two inch gi elbow isi mark, two inch gi bend isi mark, two inch gi pipe b class isi mark, one and one fourth inch gi pipe b class isi mark, six inch pvc s bend isi mark, four inch pvc s bend isi mark, three inch pvc s bend isi mark, two and half inch pvc s bend isi mark, two inch pvc sbend isi mark, six inch pvc valve isi mark, four inch pvc valve isi mark, three inch pvc valve isi mark, two and half inch pvc valve isi mark, two inch pvc valve isi mark, six inch pvc tee isi mark, four inch pvc tee isi mark, three inch pvc tee isi mark, two and half inch pvc tee isi mark, two inch pvc tee isi mark, six inch pvc elbow isi mark, fourinchpvcelbowisimark, two and half inch pvc elbow isi mark, two inch pvc elbow isi mark, six inch pvc bend isi mark, four inch pvc bend isi mark, three inch pvc bend isi mark, rubber insulation sheet, two point five mm submersible cable, six hp eight stage isi mark and pump, five hp ten stage isi mark motor and pump, leather sheet1, m-seal, bunnian waste, bearing grease1, transformer oil1, solvent cement (gum), six inch pvc collar isi mark, four inch pvc collar isi mark, three inch pvc collar isi mark, two and half inch pvc collar isi mark, two inch pvc collar isi mark, six into four inch pvc reducer isi mark, three into four inch pvc reducer isi mark, two and half into three inch pvc reducer isi mark, two into two one by two inch pvc reducer isi mark, three inch pvc elbow isi mark, half inch volve packing, three by four into two and half inch bolts & nuts, five by eight into two and half inch bolts & nuts, single phase 1 hp isi mark motor, metal paste1, sixty hp motor bearing, six inch air valve, four inch air valve, three inch air valve, gland packing, hose pipe three inch, hose pipe two and half inch, hose pipe two inch, hose pipe- one and half inch, hammer-five pounds, hammer-3 pounds, chargeable hand torch, hacksaw blade1, hacksaw frame with blade isi, grease gun, screw driver taparia twelve inch, screw driver taparia 6 inch, cutting player taparia (big), cutting player taparia (small), double hand spanner set, hand pump- chain, hand pump handles, hand pump water body, hand pump bolts and nuts 18 size, hand pump connecting rod, hand pump cylinder, twelve inch rinch, fourteen inch rinch, eighteen inch rinch, thirtysix inch rinch, one hundred twenty to twentysix inch ring set, oe inch volve packing, three by four inch volve packing, six inch dp, four inch dp, three inch dp, four inch pvc collar, six inch pvc collar, six inch pvc cd joint collar, four inch pvc cd joint collar, three inch pvc cd joint collar, two and half pvc cd joint collar, two inch pvc cd joint collar, hand pump bucket bush, hand pump- bearing

Central Government/Public Sector

CTN :45246584

01 Jun, 2026 NA

Gaya - Bihar

Tender For auction sale of others - scrap miscellaneous items (1)pvc aluminium wire off size (20.6kg), al-18.1kg (2)pvc armerd aluminium cable off size,4623 meter, fe-237.62kg, al-2263.48kg (3)scrap deseret cooler, 25nos, fe-525kg, cu-7.75kg (4)scrap deseret cooler plastic body, 6nos, fe-12kg, cu-1.8kg (5)capacitor off size, 495nos, cu-0.99kg, al-1.485kg (6)honda diesel generator set 1.5kva, 13nos, fe-455kg, cu-65kg, al-156kg (7)stablizer 3kva-5kva, 30nos, fe-120kg, cu-30kg (8)u.p.s 0.5kva & 1kva, 5nos, fe-7.5kg, cu-2.5kg (9)u.p.s 2kva, 2no, fe-6kg, cu-2kg (10)u.p.s 3kva, 6no, fe-24kg, cu-9kg (11)u.p.s 5kva,1no, fe-5kg, cu-1.6kg (12)submersible pump motor 20hp, 5no, fe-370kg, cu-17.25kg (13)submersible pump motor 12.5hp, 1no, fe-35kg, cu-2.1kg (14)submersible pump motor 5hp, 1no, fe-20kg, cu-1.6kg (15)insect killer fitting, 20nos, fe-70kg, cu-1kg (16)igniter off size, 10no, fe-0.5kg, cu-0.03kg (17)led torch, 23no, fe-0.115kg, cu-0.138kg (18)released 4 pole contactor, 2no, fe-0.04kg, cu-0.1kg (19)difective change over switch, 3no,fe-2.7kg, cu-0.15kg (20)released led fitting off size,43nos, cu-0.043kg, al-0.387kg (21)released led lamp 18watt, 5no, cu-0.005kg, al-0.015kg (22)main switch off size, 6no, fe-9kg, cu-0.18kg (23)mh fitting 2¿400 w, 6no, fe-0.3kg, cu-0.54kg, al-6kg (24)scrap led fitting 1¿28 watt, 10no, fe-1.5kg, cu-0.05kg (25)pvc aluminium wire off size meter, 1710meter, al-31.2kg (26)mcb off size, 19no, fe-0.304kg, cu-0.19kg (27)energy meter, 32no, fe-2.08kg, cu-2.912kg (28)pedeastal fan, 2no, fe-3kg, cu-0.6kg, al-0.6kg (29)pannal light 2feet ¿ 2feet, 18no, fe-3.6kg, cu-0.012kg (30)release mccb 200 a, 1no, fe-0.07kg, cu-0.05kg (31)release mccb 400 a, 2no, fe-0.16kg, cu-0.14kg (32)control pannel (stater) 10hp, 4no, fe-8kg, cu-0.6kg (33)defective oil circuit breaker, 3no, fe-120kg,cu-28.5kg (34)scrap copper plate & other copper item, cu-223.35kg (35)release pll fitting, 4no, fe-0.12kg, cu-0.008kg, al-0.8kg (36)scrap led street light 25 watt, 146nos,fe-4.38kg, cu-0.146kg, al-29.2kg (37)scrap led street light 45 watt, 12no, fe-0.36kg,cu-0.012kg, al-3.6kg (38)geyser off size,10no, fe-50kg, cu-0.5kg (39)main bearing std-05nos, cr bearing std-04nos, thurst washer-02nos, cylinder liner-04nos, piston assembly-04nos, set piston ring-04nos, conrod bush-04nos, volve injet-04nos, volve exhoust-04nos, volve seat intel-04nos, volve seat exhaust-04nos, volve guide-08nos, water pump assembly-01no, turbo repkite-01no, rocker lever-01no, set of jaint-01no, set of 0 ring-01no, set of old sealing washer-01no, set of houses-01no, fuil filter alement-01no, lub oil filter-02nos, oil seal fly head-01no, oil seal head-01no, v belt-02no, upper houseing bush-32nos, protection sleve-49nos, lop switch-01no, head rep-04nos, self stater pinion-01no, 1set, fe-35kg, cu-0.5kg, al-1.9kg, brass-0.05kg (40)cls panel, 10nos,fe-300kg, cu-21kg (41)m/s angle & other items, fe-1700kg (1-41)lot no-ph store/gaya/04, (1-41)location-ph/store/gaya

corporations/Associations/Others

CTN :45298456

30 May, 2026 NA

Ahmedabad - Gujarat

Tender For auction sale of new obsolete cool water line,new obsolete water pump purifier kit (major) tata,new obsolete flexible pipe for silencer all type (ms),new obsolete clutch facing (12 inch),new obsolete s/a hose bracket to slave cly. (all type),new obsolete trackrod lev. lh,new obsolete pre filter housing,new obsolete bearing 2505 2620 3103,new obsolete bearing 6403 2rs,new obsolete bearing nu-307,new obsolete bearing t-151,new obsolete cylinder liner all type,new obsolete c-type center bering bracket,new obsolete cam bush set,new obsolete rpm meter,new obsolete oil pressure gauge meter,new obsolete radiator cap,new obsolete oil seal (small),new obsolete oil seal all type (rubber),gear flywheel ring,new obsolete propeller shaft,new obsolete stiffner plate cyl.block,new obsolete withdrawal plate,new obsolete drop arm (bigg size),new obsolete drop arm (small size),new obsolete splined end all type (small),new obsolete clutch operating lever (small)

corporations/Associations/Others

CTN :45298457

30 May, 2026 NA

Ahmedabad - Gujarat

Tender For auction sale of new obsolete plug expanstion for cyl. block,new obsolete main bearing r/s 1st (hino),new obsolete main brg.c/s u/s-0.50mm (hino),new obsolete crank shaft for bs-iii eng.,new obsolete valve intake (altto*4201911)for cyl.head bs-iii,new obsolete valve intake for cyl.hd bs-iii,new obsolete wheel stud,new obsolete all type rolar cage for gear,new obsolete camshaft,new obsolete diesel filter insert (1.1 liter coil) (mico),new obsolete all type propeler midshaft with nut,new obsolete all type center bearing midshaft,new obsolete rem and gide seal of tata break boster (allu.),new obsolete 1st speed wheel main shaft,new obsolete 3rd speed gear for layland,new obsolete gear shifting sleeve,new obsolete 44 teth constent mes gear on counter shaft,new obsolete rear wavlar spring braket,new obsolete eskem shaft for break,new obsolete oil filter body,new obsolete all type propeler shaft with and without yoke assembly

State Government

CTN :45190381

08 Jun, 2026 14.90 Lacs

Anuppur - Madhya Pradesh

Tender For corrigendum : procurement of spares for sadc damper actuator, installed at 210 mw atps, mppgcl, chachai - for sadc actuators type : a0404112214 , sadc actuator assembly(model-a0404112214) consists of:- accessories- 04’’x04’’ cylinder, pneumatic double acting class-1 positioner fitted with 04 pressure gauge of 40mm dial, double acting alr, air filter regulator, ss tubing, fork with pin. , class-1 pneumatic double acting positioner with accessories:- manifold assembly, 04 connectors, 40mm dial pressure gauges, crank lever assembly and feedback lever etc. , pneumatic double acting positioner with in built non contact type hall sensor operated pft only , seal kit for class 1 positioner(seal, gasket and o-rings) , sleeve & spool assembly complete with 12mm o-ring for class – 1 positioner , leather bellow with clamp & nut bolt for sadc power cylinder , diaphragm assembly with seal, gasket & o-ring set for class -1 positioner , double acting air lock relay port size 1/8 inch npt (f) , main spring holder assembly for class -1 positioner , crank lever assembly mounted on cover-a base plate of class-1 positioner , double acting aluminium manifold assembly with sleeve & spool & “o ring” , feedback lever complete assembly with nuts and spring washer , o-rings & seal kit for sadc power cylinder , crank assembly sealed zz type bearing , anodised, zinc plate fork for sadc cylinder , fork pin for coupling cylinder with damper

State Government

CTN :45274117

09 Jun, 2026 3.00 Lacs

Umaria - Madhya Pradesh

Tender For procurement of spares for del pd rotary pumps model rdrn150 of ahp of 1x500 unit, sgtps, mppgcl, birsinghpur - wearing plate. as per tender schedule , rotor shaft. as per tender schedule , rotor gears. as per tender schedule , stator shaft. as per tender schedule , stator gears. as per tender schedule , sleeve. as per tender schedule , washer. as per tender schedule , snap washer. as per tender schedule , oil seal. as per tender schedule , needle roller bearing. as per tender schedule , bearing sleeve. as per tender schedule , rotor shaft key (01 set=02 nos). as per tender schedule , stator shaft key. as per tender schedule , lip seal washer. as per tender schedule , spring. as per tender schedule , adjustable screw for relief valve. as per tender schedule , packing. as per tender schedule

Central Government/Public Sector

CTN :45275211

26 May, 2026 NA

Visakhapatnam - Andhra Pradesh

Tender For procurement of spares for self cleaning strainer for stage i and ii atntpc simhadri - screen brg,21310,gea bgr,dn 800, shaft sleeve,gix-883-21331,gea bgr,dn800, sealing rear slv,21365,gix 3004,gea bgr, sealing frnt brg,gix-883-21334,gea bgr, wp gearbox,21335,gix 3004,gea-bgr,dn 800, u seal,gix-883-21338,gea bgr,dn 800, shaft seal,gix-883-21340,gea bgr,dn800, o-ring,gix-883-21351,gea bgr,dn800, gasket,21357,gea bgr,dn800, gasket,21360,gea bgr,dn800, intermediate flange,21362,gea bgr,dn800, bearing disc,gix-883-21509,gea bgr,dn800, universal drv sft,gix-883-21701,gea bgr, sleeve,21704,gea bgr,dn800, shaft,21706,gea bgr,dn800, coupling,gix-883-21713,gea bgr,dn800, double ac brg,21738,gea bgr,dn800, debris outlet brg,gix-883-21823,gea bgr, v-ring,gix-883-21824,gea bgr,dn 800, spool pipe,21827-21841,gea bgr,dn 800, worm gearbox,gix88321335pa,gea-bgr,dn800, bearing flange,gix88321721,gea bgr,dn800, u seal,gix-2620-21338,gea bgr,dn800, drv sft o-ring,gix-2620-21724,gea bgr, gear motor drive,gix-2620-21737,gea bgr, bearing flange,gix-2620-21721,gea bgr, injection arm(full),21600,gea bgr,dn800, screen basket(full),21500,gea bgr, o/l brg bush&flg,gix262021823+,gea bgr, turn buckle assy,21861,gea bgr,scs,dn800, turn buckle assy,21862,gix2847,gea bgr, extraction arm,21841,gix2847,gea bgr,scs, outlet disc,21843,gix 2847,gea bgr,scs, spool piece,21847,gix2847,gea bgr,scs

Central Government/Public Sector

CTN :45257518

27 May, 2026 NA

Raigarh - Chhattisgarh

Tender For corrigendum : procurement of spares of water handling pumps for fgd area, bmd, ntpc lara - casing assy,adgr+182w&1a,sam turbo, impeller,adgr+182w&2,sam turbo,4 ad 11, shaft,adgr+182w&6,sam turbo,4 ad 11, casing ring,sam turbo,4 ad 11, packing,adgr+182w&13,sam turbo,4 ad 11, shaft sleeve,sam turbo,4 ad 11, gland,adgr+182w&17,sam turbo,4 ad 11, rh sleeve nut,sam turbo,4 ad 11, lh sleeve nut,sam turbo,4 ad 11, bearing lock nut,sam turbo,4 ad 11, lantern ring,sam turbo,4 ad 11, inboard brg hsg,sam turbo,4 ad 11, impeller key,sam turbo,4 ad 11, outboard brg hsg,sam turbo,4 ad 11, brg cover,sam turbo,4 ad 11, coupling key,sam turbo,4 ad 11, brg lock washer,sam turbo,4 ad 11, adopter,sam turbo,4 ad 11, stuffing box,sam turbo,4 ad 11, bearing housing plug,sam turbo,4 ad 11, water seal pipe,sam turbo,4 ad 11, coupling assy,adgr+182w,st,pump,4 ad 11, csng assy,sam turbo industry p,4tu14, impeller- rh & lh,sam turbo industry p, shaft,sam turbo industry p, csg rng,sam turbo industry p, shfat slv,sam turbo industry p, brg l/nut,sam turbo industry p, inboard brg housing,sam turbo industry p, key implr,sam turbo industry p, outboadr bearing hou, bearing cover,sam turbo industry p, water dflctr,sam turbo industry p, brg cap,sam turbo industry p, key (cplg),sam turbo industry p, intrstg slv,sam turbo industry p, sb bush,sam turbo industry p, sft clr,sam turbo industry p, bearing lock washer,sam turbo industry p, gasket set,sam turbo industry p, intrstg bush,sam turbo industry p, coupling,sam turbo industry p, suct csg,sam turbo,5md80/205d, dlvy csg,sam turbo,5md80/205d, stg csng,sam turbo,5md80/205d, diffuser,sam turbo,5md80/205d, pump shaft,sam turbo,5md80/205d, impeller,sam turbo,5md80/205d, brg hsg,sam turbo,5md80/205d, brg hsg,sam turbo,5md80/205d, brg cvr,sam turbo,5md80/205d, brg cvr,sam turbo,5md80/205d, flt gskt,sam turbo,5md80/205d, o-ring,sam turbo,5md80/205d, sealing washer set,sam turbo,5md80/205d, felt seal,sam turbo,5md80/205d, lantern ring,sam turbo,5md80/205d, stuf box hsg,sam turbo,5md80/205d, gland,sam turbo,5md80/205d, gland pckg,sam turbo,5md80/205d, wear rng,sam turbo,5md80/205d, spcaer,sam turbo,5md80/205d, spcaer,sam turbo,5md80/205d, spacer (brg),sam turbo,5md80/205d, sft slv de,sam turbo,5md80/205d, shft slv nde,sam turbo,5md80/205d, slv(suc side),sam turbo,5md80/205d, cylinderical pin set,sam turbo, balncng drum,sam turbo,5md80/205d, drum hsg,sam turbo,5md80/205d, grease nppl,sam turbo,5md80/205d, tie bolt set,sam turbo,5md80/205d, vnt plg,sam turbo,5md80/205d, lock nut&wshr,sam turbo,5md80/205d, washer,sam turbo,5 md 80/205 d, key implr,sam turbo industry p, key (blncng drm),sam turbo,5md80/205d, key (cplg),sam turbo,5md80/205d, deflector,sam turbo,5md80/205d, coupling,180,sam turbo,5md80/205d, support foot,19.5,pump,cpc-150/500, pump shaft,sam turbo,cpc 150/500, impeller,sam turbo,cpc 150/500, brg bed,34.2,sam turbo,cpc150/500, brg cap,37.2,sam turbo,cpc150/500, brg cap,37.3,sam turbo,cpc150/500, lantern ring,46.10,sam turbo,cpc150/500, gland,sam turbo,cpc 150/500, pr rng,46.9,sam turbo,cpc150/500, packing,47.3,sam turbo,cpc150/500, wear ring-csg cvr,sam turbo,cpc 150/500, wear ring-csg,sam turbo,cpc 150/500, deflector,sam turbo,cpc 150/500, sft slv,sam turbo,cpc 150/500, cont lvl oiler,64.10,sam turbo, breather plug,68.4,sam turbo,cpc150/500, imp nut,93.4,sam turbo,cpc150/500, helicoil insert,94.21,sam turbo, circlip,94.23,sam turbo,cpc150/500, key-imp,95.03,sam turbo,cpc150/500, key-cplg,sam turbo,cpc 150/500, cplgspareset,samturbo,cpc150/500, volute csg,11.4,sam turbo,cpc150/320, casing cover,17.3,sam turbo,cpc150/320, csng cvr plt,17.7,sam turbo,cpc150/320, support foot,19.5,sam turbo,cpc150/320, pump shaft,22.3,sam turbo,cpc150/320, implr,24.2,sam turbo,cpc 150/320, brg bed,34.2,sam turbo,cpc150/320, brg cap(outer),37.2,sam turbo,cpc150/320, brg cap(inr),37.3,sam turbo,cpc150/320, gskt set,41.03,41.04,+&41.2,sam turbo, o-ring set,42.4,42.23,sam turbo, oil seal set,43.13,43.3,sam

State Government

CTN :45146120

25 May, 2026 NA

Ranchi - Jharkhand

Tender For e-quotation for seeking firm rates for non-schedule items for preparing estimates. - 3 h.p. submersible set, providing all labour, tools, tackles and technicians for taking out 3 h.p. submersible pump set with column pipe from bore well, cost towards rewinding and repairing of 3 h.p submersible motor with s/f suitable winding wire, bronze bush etc. all complete after the deduction of cost of scrap materials., cost towards repairing of 3 h.p. submersible pump with s/f bronze impeller as per size and sample, bush, thrust plate, pump shaft etc. all complete after the deduction of cost of scrap materials., cost towards supplying fitting, changing 40 mm dia. upvc column pipe., cost towards supplying and fitting (1) 40 mm dia g.m. full way valve 1 no (2) 40 mm dia nr valve 1 no (3) 40 mm dia g.i. bend 2 nos. (4) 40 mm dia m.s. clamp with nut bolt 2 pair after the deduction of cost of scrap materials., transportation charge of above p/set from work site to work shop and vice versa including loading and unloading charge., supplying and installation suitable size panel board for 3 h.p. submersible pump including fixing on wall comparising of following points such as (1) d.o.l starter 1 no. (2) hrc fuse 3 no. (3) volt meter with selector witch -1 set (4) ammeter with selection switch 1 set (5) indicating neon lamp 3 no. etc. all complete., providing all labour, tools tackles and technicians for lowering of 3 h.p submersible pump set with all accessories in the bore well, 5 h.p. submersible set, providing all labour, tools, tackles and technicians for taking out 5 h.p. submersible pump set with column pipe from bore well ., cost towards for rewinding and repairing of 5 hp submersible motor with s/f 1.0 swg round copper winding wire 24 slot, gun metal bush, thrust plate, thrust bearing, diapharm, oil seal, etc with lathe work. all complete. after the deduction of cost of scrap materials., cost towards repairing of 5 hp submersible pump with s/f noryl impeller as per size and sample, diffuser, s.s. shaft, s.s. coupling, s.s. sleeve, nut, c.i nrv etc. all complete after the deduction of cost of scrap materials., cost towards supplying fitting, changing 50 mm dia. upvc column pipe., supplying and installation suitable size panel board for 5 h.p. submersible pump including fixing on wall comparising of following points such as (1) d.o.l starter 1 no. (2) hrc fuse 3 no. (3) volt meter with selector witch -1 set (4) ammeter with selection switch 1 set (5) indicating neon lamp 3 no. etc. all complete., transportation charge of above p/set from work site to work shop and vice versa including loading and unloading charge., providing all labour, tools tackles and technicians for lowering of 5 h.p. submersible pump set with all accessories in the bore well, 7.5 h.p. submersible set -, providing all labour, tools, tackles and technicians for taking out 7.5 h.p. submersible pump set with column pipe from bore well ., cost towards for rewinding and repairing of 7.5 hp submersible motor with s/f 1.0 swg round copper winding wire 24 slot, gun metal bush, thrust plate, thrust bearing, diapharm, oil seal, etc with lathe work. all complete. after the deduction of cost of scrap materials., cost towards repairing of 7.5 hp submersible pump with s/f noryl impeller as per size and sample, diffuser, s.s. shaft, s.s. coupling, s.s. sleeve, nut, c.i nrv etc. all complete after the deduction of cost of scrap materials., providing all labour, tools tackles and technicians for lowering of 7.5 h.p. submersible pump set with all accessories in the bore well, transportation charge of above p/set from work site to work shop and vice versa including loading and unloading charge., provision for leakage repairing of different size of upvc sch- 80 pipe in place of existing / cracked and damaged pipe of isi approved make or equivalent make damaged pipe in trenches and replacement of pipe and fitting so as to give 1 m average cover over the socket of pipes with disposal of exc

Oil Seal Ring Tenders

By Cities

By States

By Agencies

By Ownerships

By Sectors