Catalogue

Expand all | Collapse all | Show hidden lines

  • Banner

LUCAS ELECTRICAL SEB1016 Sensor, crankshaft pulse

SEB1016
£0.00
Tax included
Quantity
Out-of-Stock

  Security policy

(edit with the Customer Reassurance module)

  Delivery policy

(edit with the Customer Reassurance module)

  Return policy

(edit with the Customer Reassurance module)

BOSCH
0 261 210 227
FACET
9.0389
FAE
79200
FIAT
46798363
FUELPARTS
CS1404
INTERMOTOR
19013
INTERMOTOR
2700233
INTERMOTOR
EPS184
INTERMOTOR
VE363097
METZGER
0902108
VEMO
V24720049
Manufacturer Model Engine Engine info Years Note
ALFA ROMEO 147 (937_) 1.6 16V T.SPARK (937.AXA1A, 937.AXB1A, 937.BXB1A) 1598 ccm, 88 kw, 120 hp 2001 - 2010 Engine Code : AR32104
ALFA ROMEO 147 (937_) 1.6 16V T.SPARK ECO (937.AXA1A, 937.BXA1A) 1598 ccm, 77 kw, 105 hp 2001 - 2010 Construction year from : 01/2004, Engine Code : 372.03, Engine Number from : 3613608
ALFA ROMEO 147 (937_) 2.0 16V T.SPARK (937.AXA1, 937.AXC1, 937.BXC1) 1970 ccm, 110 kw, 150 hp 2001 - 2010 Engine Code : AR32310, Engine Number from : 3649575
ALFA ROMEO 156 (932_) 1.6 16V T.SPARK (932.A4, 932.A4100) 1598 ccm, 88 kw, 120 hp 1997 - 2005 Engine Code : AR32104
ALFA ROMEO 156 (932_) 1.8 16V T.SPARK (932.A3100) 1747 ccm, 103 kw, 140 hp 1997 - 2005 Engine Code : AR32205, Engine Number to : 3649575
ALFA ROMEO 156 (932_) 2.0 JTS (932AXA) 1970 ccm, 122 kw, 166 hp 2002 - 2005 Engine Code : 937A1000
ALFA ROMEO 156 Sportwagon (932_) 1.6 16V T.SPARK. (932B4100) 1598 ccm, 88 kw, 120 hp 2000 - 2006 Engine Code : AR32104
ALFA ROMEO 156 Sportwagon (932_) 1.8 16V T.SPARK (932B31__) 1747 ccm, 103 kw, 140 hp 1997 - 2006 Engine Code : AR32205
ALFA ROMEO 156 Sportwagon (932_) 2.0 JTS (932BXD00, 932BXD01) 1970 ccm, 119 kw, 162 hp 2002 - 2006 Engine Code : 932A2000
ALFA ROMEO 166 (936_) 2.0 T.Spark (936A3A__) 1970 ccm, 114 kw, 155 hp 1998 - 2000 Construction year from : 01/1999, Engine Code : AR34103
ALFA ROMEO GT (937_) 1.8 TS (937CXR1A) 1747 ccm, 103 kw, 140 hp 2003 - 2010 Construction year from : 03/2004, Construction year to : 03/2007, Engine Code : AR32205
ALFA ROMEO GT (937_) 2.0 JTS (937CXH1A, 937CXH11) 1970 ccm, 121 kw, 165 hp 2003 - 2010 Engine Code : 937A1000
ALFA ROMEO GTV (916_) 1.8 16V (916C3) 1747 ccm, 106 kw, 144 hp 1998 - 2005 Construction year to : 03/2003, Engine Code : AR32201
ALFA ROMEO GTV (916_) 2.0 JTS (916CXA00) 1970 ccm, 121 kw, 165 hp 2003 - 2005 Engine Code : 937A1000
ALFA ROMEO SPIDER (916_) 2.0 JTS (916SXA00) 1970 ccm, 121 kw, 165 hp 2003 - 2005 Engine Code : 937 A1.000
Product Details
SEB1016
New product

Data sheet

Number of Poles
2
Resistance [Ohm]
900
New product
100 other products in the same category:

Reference: SEB5086

Brand: LUCAS

LUCAS SEB5086 Sensor, crankshaft pulse

Number of Poles : 3, Net weight [kg] : 0,020, ...

(0)

Price £0.00
More
Out-of-Stock

Reference: 9.0188

Brand: FACET

FACET 9.0188 Sensor, crankshaft pulse

Sensor Length [mm] : 37,5

(0)

Price £0.00
More
Out-of-Stock

Reference: SEB1187

Brand: LUCAS

LUCAS SEB1187 Sensor, crankshaft pulse

Number of Poles : 3, Connector Shape : ...

(0)

Price £0.00
More
Out-of-Stock

Reference: SEB993

Brand: LUCAS

LUCAS SEB993 Sensor, crankshaft pulse

Number of Poles : 3, Connector Shape : ...

(0)

Price £0.00
More
Out-of-Stock

Reference: 17222

Brand: INTERMOTOR

INTERMOTOR 17222 Sensor, crankshaft pulse

Number of Poles : 3, Net weight [kg] : 0,026, ...

(0)

Price £0.00
More
Out-of-Stock

Reference: 18923

Brand: INTERMOTOR

INTERMOTOR 18923 Sensor, crankshaft pulse

Number of Poles : 3, Connector Shape : ...

(0)

Price £0.00
More
Out-of-Stock

Reference: 19053

Brand: INTERMOTOR

INTERMOTOR 19053 Sensor, crankshaft pulse

Number of Poles : 2, Connector Shape : ...

(0)

Price £0.00
More
Out-of-Stock

Reference: 0 261 210 190

Brand: BOSCH

BOSCH 0 261 210 190 Sensor, crankshaft pulse

(0)

Price £0.00
More
Out-of-Stock

Reference: CS-E085

Brand: MOBILETRON

MOBILETRON CS-E085 Sensor, crankshaft pulse

Number of Poles : 2

(0)

Price £0.00
More
Out-of-Stock

Reference: SEB1134

Brand: LUCAS

LUCAS SEB1134 Sensor, crankshaft pulse

Number of Poles : 2, Connector Shape : ...

(0)

Price £0.00
More
Out-of-Stock

Reference: SEB1387

Brand: LUCAS

LUCAS SEB1387 Sensor, crankshaft pulse

Connector Shape : angular, Weight [kg] : 0,1, ...

(0)

Price £0.00
More
Out-of-Stock

Reference: CS-E101W

Brand: MOBILETRON

MOBILETRON CS-E101W Sensor, crankshaft pulse

Colour : Black/White

(0)

Price £0.00
More
Out-of-Stock

Reference: SEB1530

Brand: LUCAS

LUCAS SEB1530 Sensor, crankshaft pulse

Number of Poles : 2, Connector Shape : Round, ...

(0)

Price £0.00
More
Out-of-Stock

Reference: 9.0177

Brand: FACET

FACET 9.0177 Sensor, crankshaft pulse

Sensor Length [mm] : 38,5

(0)

Price £0.00
More
Out-of-Stock

Reference: 1 237 031 012

Brand: BOSCH

BOSCH 1 237 031 012 Sensor, crankshaft pulse

(0)

Price £0.00
More
Out-of-Stock

Reference: ADG07212

Brand: BLUE PRINT

BLUE PRINT ADG07212 Sensor, crankshaft pulse

Cable Length [mm] : 980, Number of connectors ...

(0)

Price £0.00
More
Out-of-Stock

Reference: SEB985

Brand: LUCAS ELECTRICAL

LUCAS ELECTRICAL SEB985 Sensor, crankshaft pulse

Number of Poles : 3, Cable Length [mm] : 840

(0)

Price £0.00
More
Out-of-Stock

Reference: 9.0299

Brand: FACET

FACET 9.0299 Sensor, crankshaft pulse

Sensor Length [mm] : 12

(0)

Price £0.00
More
Out-of-Stock

Reference: LCS451

Brand: LEMARK

LEMARK LCS451 Sensor, crankshaft pulse

Weight [kg] : 0,1

(0)

Price £0.00
More
Out-of-Stock

Reference: SEB2056

Brand: LUCAS

LUCAS SEB2056 Sensor, crankshaft pulse

Number of Poles : 3, Net weight [kg] : 0,016, ...

(0)

Price £0.00
More
Out-of-Stock

Reference: 9.0021

Brand: FACET

FACET 9.0021 Sensor, crankshaft pulse

Cable Length [mm] : 330, Sensor Length [mm] : 24

(0)

Price £0.00
More
Out-of-Stock

Reference: CS-K031

Brand: MOBILETRON

MOBILETRON CS-K031 Sensor, crankshaft pulse

Number of Poles : 3, Length [mm] : 901

(0)

Price £0.00
More
Out-of-Stock

Reference: CS-J054

Brand: MOBILETRON

MOBILETRON CS-J054 Sensor, crankshaft pulse

Number of Poles : 3, Length [mm] : 852

(0)

Price £0.00
More
Out-of-Stock

Reference: 9.0600

Brand: FACET

FACET 9.0600 Sensor, crankshaft pulse

Sensor Length [mm] : 24

(0)

Price £0.00
More
Out-of-Stock

Reference: 24634

Brand: OSSCA

OSSCA 24634 Sensor, crankshaft pulse

Number of Poles : 3, Length [mm] : 350

(0)

Price £0.00
More
Out-of-Stock

Reference: CS-K006

Brand: MOBILETRON

MOBILETRON CS-K006 Sensor, crankshaft pulse

Number of Poles : 3

(0)

Price £0.00
More
Out-of-Stock

Reference: LCS682

Brand: LEMARK

LEMARK LCS682 Sensor, crankshaft pulse

Number of Poles : 3, Net weight [kg] : 0,047, ...

(0)

Price £0.00
More
Out-of-Stock

Reference: CS-J129

Brand: MOBILETRON

MOBILETRON CS-J129 Sensor, crankshaft pulse

Number of Poles : 2

(0)

Price £0.00
More
Out-of-Stock

Reference: SEB1429

Brand: LUCAS ELECTRICAL

LUCAS ELECTRICAL SEB1429 Sensor, crankshaft pulse

(0)

Price £0.00
More
Out-of-Stock

Reference: CS-U066

Brand: MOBILETRON

MOBILETRON CS-U066 Sensor, crankshaft pulse

Number of Poles : 3

(0)

Price £0.00
More
Out-of-Stock

Reference: 9.0222

Brand: FACET

FACET 9.0222 Sensor, crankshaft pulse

Cable Length [mm] : 400, Sensor Length [mm] : 34,5

(0)

Price £0.00
More
Out-of-Stock

Reference: ADM57223

Brand: BLUE PRINT

BLUE PRINT ADM57223 Sensor, crankshaft pulse

Number of connectors : 3, Weight [kg] : 0,024

(0)

Price £0.00
More
Out-of-Stock

Reference: LCS094

Brand: LEMARK

LEMARK LCS094 Sensor, crankshaft pulse

Number of Poles : 2, Connector Shape : OVAL, ...

(0)

Price £0.00
More
Out-of-Stock

Reference: 9.0047

Brand: FACET

FACET 9.0047 Sensor, crankshaft pulse

Cable Length [mm] : 600, Sensor Length [mm] : 24

(0)

Price £0.00
More
Out-of-Stock

Reference: LCS093

Brand: LEMARK

LEMARK LCS093 Sensor, crankshaft pulse

Number of Poles : 3, Connector Shape : OVAL, ...

(0)

Price £0.00
More
Out-of-Stock

Reference: SEB171

Brand: LUCAS ELECTRICAL

LUCAS ELECTRICAL SEB171 Sensor, crankshaft pulse

Number of Poles : 2

(0)

Price £0.00
More
Out-of-Stock

Reference: 31673

Brand: OSSCA

OSSCA 31673 Sensor, crankshaft pulse

Number of Poles : 3, Length [mm] : 710

(0)

Price £0.00
More
Out-of-Stock

Reference: CS-E020A

Brand: MOBILETRON

MOBILETRON CS-E020A Sensor, crankshaft pulse

Number of Poles : 2

(0)

Price £0.00
More
Out-of-Stock

Reference: LCS025

Brand: LEMARK

LEMARK LCS025 Sensor, crankshaft pulse

Number of Poles : 3, Connector Shape : ...

(0)

Price £0.00
More
Out-of-Stock

Reference: SEB1790

Brand: LUCAS ELECTRICAL

LUCAS ELECTRICAL SEB1790 Sensor, crankshaft pulse

Number of Poles : 2

(0)

Price £0.00
More
Out-of-Stock

Reference: SEB999

Brand: LUCAS ELECTRICAL

LUCAS ELECTRICAL SEB999 Sensor, crankshaft pulse

Number of Poles : 2, Resistance [Ohm] : 700

(0)

Price £0.00
More
Out-of-Stock

Reference: SEB1591

Brand: LUCAS ELECTRICAL

LUCAS ELECTRICAL SEB1591 Sensor, crankshaft pulse

Number of Poles : 2

(0)

Price £0.00
More
Out-of-Stock

Reference: ADC47211

Brand: BLUE PRINT

BLUE PRINT ADC47211 Sensor, crankshaft pulse

Weight [kg] : 0,090

(0)

Price £0.00
More
Out-of-Stock

Reference: CRK308

Brand: WAI

WAI CRK308 Sensor, crankshaft pulse

(0)

Price £0.00
More
Out-of-Stock

Reference: 0 261 210 333

Brand: BOSCH

BOSCH 0 261 210 333 Sensor, crankshaft pulse

(0)

Price £0.00
More
Out-of-Stock

Reference: 09677

Brand: OSSCA

OSSCA 09677 Sensor, crankshaft pulse

Number of Poles : 2

(0)

Price £0.00
More
Out-of-Stock

Reference: 9.0608

Brand: FACET

FACET 9.0608 Sensor, crankshaft pulse

Sensor Length [mm] : 40

(0)

Price £0.00
More
Out-of-Stock

Reference: 17117

Brand: INTERMOTOR

INTERMOTOR 17117 Sensor, crankshaft pulse

Number of Poles : 2, Connector Shape : OVAL

(0)

Price £0.00
More
Out-of-Stock

Reference: 18961

Brand: INTERMOTOR

INTERMOTOR 18961 Sensor, crankshaft pulse

Number of Poles : 3, Manufacturer Restriction ...

(0)

Price £0.00
More
Out-of-Stock

Reference: LCS092

Brand: LEMARK

LEMARK LCS092 Sensor, crankshaft pulse

Number of Poles : 3, Connector Shape : OVAL, ...

(0)

Price £0.00
More
Out-of-Stock

Reference: A2C59513358Z

Brand: VDO

VDO A2C59513358Z Sensor, crankshaft pulse

Number of Poles : 2, Colour : Blue

(0)

Price £0.00
More
Out-of-Stock

Reference: 9.0597K

Brand: FACET

FACET 9.0597K Sensor, crankshaft pulse

Sensor Length [mm] : 24

(0)

Price £0.00
More
Out-of-Stock

Reference: SEB1352

Brand: LUCAS

LUCAS SEB1352 Sensor, crankshaft pulse

Number of Poles : 2, Connector Shape : OVAL, ...

(0)

Price £0.00
More
Out-of-Stock

Reference: 18920

Brand: INTERMOTOR

INTERMOTOR 18920 Sensor, crankshaft pulse

Number of Poles : 3, Connector Shape : ...

(0)

Price £0.00
More
Out-of-Stock

Reference: LCS220

Brand: LEMARK

LEMARK LCS220 Sensor, crankshaft pulse

Number of Poles : 2, Connector Shape : OVAL, ...

(0)

Price £0.00
More
Out-of-Stock

Reference: 0 261 210 318

Brand: BOSCH

BOSCH 0 261 210 318 Sensor, crankshaft pulse

(0)

Price £0.00
More
Out-of-Stock

Reference: 9.0569

Brand: FACET

FACET 9.0569 Sensor, crankshaft pulse

Cable Length [mm] : 615, Sensor Length [mm] : 36,8

(0)

Price £0.00
More
Out-of-Stock

Reference: 28735

Brand: OSSCA

OSSCA 28735 Sensor, crankshaft pulse

Number of Poles : 3, Length [mm] : 390

(0)

Price £0.00
More
Out-of-Stock

Reference: CS-E194

Brand: MOBILETRON

MOBILETRON CS-E194 Sensor, crankshaft pulse

Number of Poles : 2

(0)

Price £0.00
More
Out-of-Stock

Reference: SEB253

Brand: LUCAS

LUCAS SEB253 Sensor, crankshaft pulse

Number of Poles : 3, Connector Shape : ...

(0)

Price £0.00
More
Out-of-Stock

Reference: SEB1624

Brand: LUCAS

LUCAS SEB1624 Sensor, crankshaft pulse

Number of Poles : 2, Connector Shape : OVAL, ...

(0)

Price £0.00
More
Out-of-Stock

Reference: 0 986 280 447

Brand: BOSCH

BOSCH 0 986 280 447 Sensor, crankshaft pulse

(0)

Price £0.00
More
Out-of-Stock

Reference: 23074

Brand: OSSCA

OSSCA 23074 Sensor, crankshaft pulse

Number of Poles : 3, Length [mm] : 120

(0)

Price £0.00
More
Out-of-Stock

Reference: 9.0810

Brand: FACET

FACET 9.0810 Sensor, crankshaft pulse

Cable Length [mm] : 415, Sensor Length [mm] : 46,2

(0)

Price £0.00
More
Out-of-Stock

Reference: CS-E184

Brand: MOBILETRON

MOBILETRON CS-E184 Sensor, crankshaft pulse

Number of Poles : 3

(0)

Price £0.00
More
Out-of-Stock

Reference: SEB145

Brand: LUCAS ELECTRICAL

LUCAS ELECTRICAL SEB145 Sensor, crankshaft pulse

Number of Poles : 2, Cable Length [mm] : 550, ...

(0)

Price £0.00
More
Out-of-Stock

Reference: CS-E103

Brand: MOBILETRON

MOBILETRON CS-E103 Sensor, crankshaft pulse

Number of Poles : 3

(0)

Price £0.00
More
Out-of-Stock

Reference: 19186

Brand: INTERMOTOR

INTERMOTOR 19186 Sensor, crankshaft pulse

Number of Poles : 3, Connector Shape : ...

(0)

Price £0.00
More
Out-of-Stock

Reference: SAM-100

Brand: JAPANPARTS

JAPANPARTS SAM-100 Sensor, crankshaft pulse

(0)

Price £0.00
More
Out-of-Stock

Reference: 19292

Brand: INTERMOTOR

INTERMOTOR 19292 Sensor, crankshaft pulse

Number of Poles : 3, Connector Shape : OVAL, ...

(0)

Price £0.00
More
Out-of-Stock

Reference: DCPS-0102

Brand: DENSO

DENSO DCPS-0102 Sensor, crankshaft pulse

Cable Length [mm] : 230, Weight [g] : 100

(0)

Price £0.00
More
Out-of-Stock

Reference: CS-U035

Brand: MOBILETRON

MOBILETRON CS-U035 Sensor, crankshaft pulse

Number of Poles : 2

(0)

Price £0.00
More
Out-of-Stock

Reference: SEB442

Brand: LUCAS ELECTRICAL

LUCAS ELECTRICAL SEB442 Sensor, crankshaft pulse

Number of Poles : 2, Resistance [Ohm] : 700

(0)

Price £0.00
More
Out-of-Stock

Reference: SEB814

Brand: LUCAS

LUCAS SEB814 Sensor, crankshaft pulse

Number of Poles : 2, Connector Shape : ...

(0)

Price £0.00
More
Out-of-Stock

Reference: 25035

Brand: OSSCA

OSSCA 25035 Sensor, crankshaft pulse

Number of Poles : 2, Length [mm] : 280

(0)

Price £0.00
More
Out-of-Stock

Reference: 17108

Brand: INTERMOTOR

INTERMOTOR 17108 Sensor, crankshaft pulse

Number of Poles : 2, Connector Shape : OVAL

(0)

Price £0.00
More
Out-of-Stock

Reference: CRK424

Brand: WAI

WAI CRK424 Sensor, crankshaft pulse

(0)

Price £0.00
More
Out-of-Stock

Reference: SEB1177

Brand: LUCAS ELECTRICAL

LUCAS ELECTRICAL SEB1177 Sensor, crankshaft pulse

Number of Poles : 3, Cable Length [mm] : 720

(0)

Price £0.00
More
Out-of-Stock

Reference: 0 261 210 373

Brand: BOSCH

BOSCH 0 261 210 373 Sensor, crankshaft pulse

(0)

Price £0.00
More
Out-of-Stock

Reference: SEB1178

Brand: LUCAS ELECTRICAL

LUCAS ELECTRICAL SEB1178 Sensor, crankshaft pulse

Number of Poles : 2, Resistance [Ohm] : 900

(0)

Price £0.00
More
Out-of-Stock

Reference: 31529

Brand: OSSCA

OSSCA 31529 Sensor, crankshaft pulse

Number of Poles : 3

(0)

Price £0.00
More
Out-of-Stock

Reference: LCS096

Brand: LEMARK

LEMARK LCS096 Sensor, crankshaft pulse

Number of Poles : 3, Connector Shape : ...

(0)

Price £0.00
More
Out-of-Stock

Reference: 0 261 210 026

Brand: BOSCH

BOSCH 0 261 210 026 Sensor, crankshaft pulse

(0)

Price £0.00
More
Out-of-Stock

Reference: 1293700200

Brand: JP GROUP

JP GROUP 1293700200 Sensor, crankshaft pulse

Cable Length [mm] : 1335, Number of connectors ...

(0)

Price £0.00
More
Out-of-Stock

Reference: 0 281 002 410

Brand: BOSCH

BOSCH 0 281 002 410 Sensor, crankshaft pulse

(0)

Price £0.00
More
Out-of-Stock

Reference: SEB1391

Brand: LUCAS ELECTRICAL

LUCAS ELECTRICAL SEB1391 Sensor, crankshaft pulse

Number of Poles : 2, Cable Length [mm] : 980

(0)

Price £0.00
More
Out-of-Stock

Reference: 19146

Brand: INTERMOTOR

INTERMOTOR 19146 Sensor, crankshaft pulse

Number of Poles : 3, Connector Shape : OVAL, ...

(0)

Price £0.00
More
Out-of-Stock

Reference: CRK7

Brand: WAI

WAI CRK7 Sensor, crankshaft pulse

(0)

Price £0.00
More
Out-of-Stock

Reference: LCS355

Brand: LEMARK

LEMARK LCS355 Sensor, crankshaft pulse

Number of Poles : 2, Connector Shape : OVAL, ...

(0)

Price £0.00
More
Out-of-Stock

Reference: 17095

Brand: OSSCA

OSSCA 17095 Sensor, crankshaft pulse

Number of Poles : 3, Length [mm] : 350

(0)

Price £0.00
More
Out-of-Stock

Reference: CS-E074

Brand: MOBILETRON

MOBILETRON CS-E074 Sensor, crankshaft pulse

Number of Poles : 3

(0)

Price £0.00
More
Out-of-Stock

Reference: 20989

Brand: OSSCA

OSSCA 20989 Sensor, crankshaft pulse

(0)

Price £0.00
More
Out-of-Stock

Reference: 0 261 210 044

Brand: BOSCH

BOSCH 0 261 210 044 Sensor, crankshaft pulse

(0)

Price £0.00
More
Out-of-Stock

Reference: 17138

Brand: INTERMOTOR

INTERMOTOR 17138 Sensor, crankshaft pulse

Number of Poles : 3, Connector Shape : OVAL, ...

(0)

Price £0.00
More
Out-of-Stock

Reference: ADN17247

Brand: BLUE PRINT

BLUE PRINT ADN17247 Sensor, crankshaft pulse

Number of connectors : 2, Weight [kg] : 0,05

(0)

Price £0.00
More
Out-of-Stock

Reference: 21241

Brand: OSSCA

OSSCA 21241 Sensor, crankshaft pulse

Number of Poles : 2

(0)

Price £0.00
More
Out-of-Stock

Reference: 9.0149

Brand: FACET

FACET 9.0149 Sensor, crankshaft pulse

Cable Length [mm] : 660, Sensor Length [mm] : 34,5

(0)

Price £0.00
More
Out-of-Stock

Reference: SEB1390

Brand: LUCAS ELECTRICAL

LUCAS ELECTRICAL SEB1390 Sensor, crankshaft pulse

Number of Poles : 1, Cable Length [mm] : 1350, ...

(0)

Price £0.00
More
Out-of-Stock

Reference: LCS649

Brand: LEMARK

LEMARK LCS649 Sensor, crankshaft pulse

Number of Poles : 3, Connector Shape : OVAL, ...

(0)

Price £0.00
More
Out-of-Stock

Reference: 9.0169

Brand: FACET

FACET 9.0169 Sensor, crankshaft pulse

Cable Length [mm] : 480, Sensor Length [mm] : 37

(0)

Price £0.00
More
Out-of-Stock

Follow us on Facebook