Banner

ELRING 925.600 Full Gasket Set, engine

Reference 925.600

Brand ELRING

£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)

AJUSA: 51002600
AJUSA: 51003000
CITROËN: 0197P6
CORTECO: 497380P
GOETZE: 2024586050
PAYEN: GH890
PEUGEOT: 0197P6

Manufacturer	Model	Engine	Engine info	Years	Note
ARO	240-244	2.5 D	2498 ccm, 52 kw, 71 hp	1983 - 1998
DAF	400 Platform/Chassis	2.5 D	2498 ccm, 53 kw, 72 hp	1989 - 1994
DAF	400-Serie Box	428-435 2.5 D	2498 ccm, 53 kw, 72 hp	1989 - 1993	TecDoc Engine Number : 763
DAF	400-Serie Bus	2.5 D	2498 ccm, 53 kw, 72 hp	1989 - 1994
FORD	GRANADA I (GAE, GGE)	2.5 D	2498 ccm, 51 kw, 69 hp	1985 - 1992
FORD	GRANADA I Turnier (GGE)	2.5 D	2499 ccm, 51 kw, 69 hp	1990 - 1992
FORD	GRANADA Mk III Saloon (GGE)	2.5 D	2498 ccm, 51 kw, 69 hp	1989 - 1994
LDV	400 Box	2.5 D	2498 ccm, 53 kw, 72 hp	1989 - 1996
LDV	400 Bus	2.5 D	2498 ccm, 53 kw, 72 hp	1989 - 1996
LDV	400 Platform/Chassis	2.5 D	2498 ccm, 53 kw, 72 hp	1989 - 1996
LDV	CONVOY Box	2.5 D	2498 ccm, 53 kw, 72 hp	1996 - 1997
LDV	CONVOY Box	2.5 DI	2498 ccm, 56 kw, 76 hp	1998 - 2009
LDV	CONVOY Bus	2.5 D	2498 ccm, 53 kw, 72 hp	1996 - 2002
LDV	CONVOY Platform/Chassis	2.5 D	2498 ccm, 53 kw, 72 hp	1996 - 1997
LDV	CONVOY Platform/Chassis	2.5 DI	2498 ccm, 56 kw, 76 hp	1998 - 2009
MAHINDRA	ARMADA	2.5 D	2498 ccm, 53 kw, 72 hp	1997 - 2001
MAHINDRA	ARMADA	2.5 D 4x4	2498 ccm, 53 kw, 72 hp	1997 - 2001
MAHINDRA	BOLERO	2.5 D	2498 ccm, 56 kw, 76 hp	2001 -
MAHINDRA	BOLERO	2.5 D	2498 ccm, 53 kw, 72 hp	2000 -
MAHINDRA	BOLERO	2.5 D 4x4	2498 ccm, 56 kw, 76 hp	2001 -
MAHINDRA	BOLERO	2.5 D 4x4	2498 ccm, 53 kw, 72 hp	2000 -
MAHINDRA	BOLERO INVADER Open Off-Road Vehicle	2.5 D	2498 ccm, 56 kw, 76 hp	2003 -
MAHINDRA	BOLERO INVADER Open Off-Road Vehicle	2.5 D 4x4	2498 ccm, 56 kw, 76 hp	2003 -
MAHINDRA	BOLERO Pickup	2.5 D	2498 ccm, 56 kw, 76 hp	2002 -
MAHINDRA	BOLERO Pickup	2.5 D 4x4	2498 ccm, 56 kw, 76 hp	2002 -
MAHINDRA	VOYAGER Box	2.5 D	2498 ccm, 53 kw, 72 hp	1998 -
MAHINDRA	VOYAGER Bus	2.5 D	2498 ccm, 53 kw, 72 hp	1998 -
PEUGEOT	504 Pickup	2.5 D	2498 ccm, 55 kw, 75 hp	1990 - 1999
PEUGEOT	505 (551A)	2.5 Diesel	2498 ccm, 55 kw, 75 hp	1981 - 1993
PEUGEOT	505 (551A)	2.5 Diesel	2498 ccm, 51 kw, 69 hp	1981 - 1990
PEUGEOT	505 Break (551D)	2.5 Diesel	2498 ccm, 51 kw, 70 hp	1986 - 1993
PEUGEOT	505 Break (551D)	2.5 Diesel	2498 ccm, 55 kw, 75 hp	1983 - 1993
PEUGEOT	J9 Box	2.5 D	2497 ccm, 53 kw, 72 hp	1982 - 1987
PEUGEOT	J9 Bus	2.5 D	2497 ccm, 53 kw, 72 hp	1982 - 1987
PEUGEOT	J9 Platform/Chassis	2.5 D	2497 ccm, 53 kw, 72 hp	1982 - 1987
SSANGYONG	KORANDO (K5, K9)	2.5 D All-wheel Drive	2498 ccm, 58 kw, 79 hp	1993 - 1997

Product Details

Brand ELRING

Reference 925.600

Condition New product

Data sheet

Supplementary Article/Supplementary Info: with valve stem seals
Supplementary Article/Supplementary Info: with crankshaft seal

Condition New product

100 other products in the same category:

Quick view

Reference: 793.040

Brand: ELRING

ELRING 793.040 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 595.480

Brand: ELRING

ELRING 595.480 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: KM-W01

Brand: JAPANPARTS

JAPANPARTS KM-W01 Full Gasket Set, engine

(0)

£0.00

Out-of-Stock

Quick view

Reference: 449.490

Brand: ELRING

ELRING 449.490 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: KM-190S

Brand: JAPANPARTS

JAPANPARTS KM-190S Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 250.710

Brand: ELRING

ELRING 250.710 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 315.252

Brand: ELRING

ELRING 315.252 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 493.451

Brand: ELRING

ELRING 493.451 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 864.800

Brand: ELRING

ELRING 864.800 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 929.610

Brand: ELRING

ELRING 929.610 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 326.641

Brand: ELRING

ELRING 326.641 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 058.553

Brand: ELRING

ELRING 058.553 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 593.334

Brand: ELRING

ELRING 593.334 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 499.553

Brand: ELRING

ELRING 499.553 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 475.900

Brand: ELRING

ELRING 475.900 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 143.261

Brand: ELRING

ELRING 143.261 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 654.740

Brand: ELRING

ELRING 654.740 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 563.421

Brand: ELRING

ELRING 563.421 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 013.200

Brand: ELRING

ELRING 013.200 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 22144

Brand: OSSCA

OSSCA 22144 Full Gasket Set, engine

(0)

£0.00

Out-of-Stock

Quick view

Reference: 749.560

Brand: ELRING

ELRING 749.560 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 925.670

Brand: ELRING

ELRING 925.670 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 601.931

Brand: ELRING

ELRING 601.931 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 166.340

Brand: ELRING

ELRING 166.340 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 352.820

Brand: ELRING

ELRING 352.820 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 794.510

Brand: ELRING

ELRING 794.510 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 780.540

Brand: ELRING

ELRING 780.540 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: KM-176

Brand: JAPANPARTS

JAPANPARTS KM-176 Full Gasket Set, engine

Material : Metal, Piston Diameter [mm] : 86

(0)

£0.00

Out-of-Stock

Quick view

Reference: 595.262

Brand: ELRING

ELRING 595.262 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 550.690

Brand: ELRING

ELRING 550.690 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 587.300

Brand: ELRING

ELRING 587.300 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: KM-264

Brand: JAPANPARTS

JAPANPARTS KM-264 Full Gasket Set, engine

(0)

£0.00

Out-of-Stock

Quick view

Reference: 587.844

Brand: ELRING

ELRING 587.844 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 912.040

Brand: ELRING

ELRING 912.040 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 633.580

Brand: ELRING

ELRING 633.580 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: KM-992

Brand: JAPANPARTS

JAPANPARTS KM-992 Full Gasket Set, engine

Material : Metal, Piston Diameter [mm] : 95

(0)

£0.00

Out-of-Stock

Quick view

Reference: 594.610

Brand: ELRING

ELRING 594.610 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 124.961

Brand: ELRING

ELRING 124.961 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 009.238

Brand: ELRING

ELRING 009.238 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 826.677

Brand: ELRING

ELRING 826.677 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 541.934

Brand: ELRING

ELRING 541.934 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: KM-007

Brand: JAPANPARTS

JAPANPARTS KM-007 Full Gasket Set, engine

Piston Diameter [mm] : 87

(0)

£0.00

Out-of-Stock

Quick view

Reference: 910.630

Brand: ELRING

ELRING 910.630 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: KM-580

Brand: JAPANPARTS

JAPANPARTS KM-580 Full Gasket Set, engine

Thickness [mm] : 1,40, Notches / Holes Number ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: KM-594

Brand: JAPANPARTS

JAPANPARTS KM-594 Full Gasket Set, engine

(0)

£0.00

Out-of-Stock

Quick view

Reference: 456.940

Brand: ELRING

ELRING 456.940 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 912.940

Brand: ELRING

ELRING 912.940 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 539.182

Brand: ELRING

ELRING 539.182 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 934.240

Brand: ELRING

ELRING 934.240 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 579.881

Brand: ELRING

ELRING 579.881 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 583.831

Brand: ELRING

ELRING 583.831 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 131.610

Brand: ELRING

ELRING 131.610 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: KM-915

Brand: JAPANPARTS

JAPANPARTS KM-915 Full Gasket Set, engine

(0)

£0.00

Out-of-Stock

Quick view

Reference: 529.730

Brand: ELRING

ELRING 529.730 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: KM-175

Brand: JAPANPARTS

JAPANPARTS KM-175 Full Gasket Set, engine

Piston Diameter [mm] : 78

(0)

£0.00

Out-of-Stock

Quick view

Reference: 104.230

Brand: ELRING

ELRING 104.230 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 320.092

Brand: ELRING

ELRING 320.092 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 563.405

Brand: ELRING

ELRING 563.405 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 892.556

Brand: ELRING

ELRING 892.556 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 800.960

Brand: ELRING

ELRING 800.960 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 071.351

Brand: ELRING

ELRING 071.351 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 892.459

Brand: ELRING

ELRING 892.459 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 589.570 B

Brand: ELRING

ELRING 589.570 B Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 291.870

Brand: ELRING

ELRING 291.870 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 929.870

Brand: ELRING

ELRING 929.870 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: KM-124

Brand: JAPANPARTS

JAPANPARTS KM-124 Full Gasket Set, engine

Material : Metal, Notches / Holes Number : 3, ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 710.320

Brand: ELRING

ELRING 710.320 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: KM-K02

Brand: JAPANPARTS

JAPANPARTS KM-K02 Full Gasket Set, engine

(0)

£0.00

Out-of-Stock

Quick view

Reference: 383.380

Brand: ELRING

ELRING 383.380 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 518.670

Brand: ELRING

ELRING 518.670 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 578.851

Brand: ELRING

ELRING 578.851 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: KM-201

Brand: JAPANPARTS

JAPANPARTS KM-201 Full Gasket Set, engine

(0)

£0.00

Out-of-Stock

Quick view

Reference: 701.794

Brand: ELRING

ELRING 701.794 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: KM-166

Brand: JAPANPARTS

JAPANPARTS KM-166 Full Gasket Set, engine

(0)

£0.00

Out-of-Stock

Quick view

Reference: 593.272

Brand: ELRING

ELRING 593.272 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 332.901

Brand: ELRING

ELRING 332.901 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 795.620

Brand: ELRING

ELRING 795.620 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 499.551

Brand: ELRING

ELRING 499.551 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 051.370

Brand: ELRING

ELRING 051.370 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 356.030

Brand: ELRING

ELRING 356.030 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 373.720

Brand: ELRING

ELRING 373.720 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: KM-294

Brand: JAPANPARTS

JAPANPARTS KM-294 Full Gasket Set, engine

Material : Metal, Piston Diameter [mm] : 94

(0)

£0.00

Out-of-Stock

Quick view

Reference: KM-590

Brand: JAPANPARTS

JAPANPARTS KM-590 Full Gasket Set, engine

Piston Diameter [mm] : 76,5

(0)

£0.00

Out-of-Stock

Quick view

Reference: 867.800

Brand: ELRING

ELRING 867.800 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: KM-170

Brand: JAPANPARTS

JAPANPARTS KM-170 Full Gasket Set, engine

(0)

£0.00

Out-of-Stock

Quick view

Reference: 583.130

Brand: ELRING

ELRING 583.130 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: KM-235

Brand: JAPANPARTS

JAPANPARTS KM-235 Full Gasket Set, engine

Piston Diameter [mm] : 102

(0)

£0.00

Out-of-Stock

Quick view

Reference: 766.691

Brand: ELRING

ELRING 766.691 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: KM-804

Brand: JAPANPARTS

JAPANPARTS KM-804 Full Gasket Set, engine

Specification : Oil seal cam.32x47x6, ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 597.460

Brand: ELRING

ELRING 597.460 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Pack

Quick view

Reference: S OM 472902

Brand: ELRING

ELRING S OM 472902 Full Gasket Set, engine

for components see parts list :

(0)

£0.00

Out-of-Stock

Quick view

Reference: 585.063

Brand: ELRING

ELRING 585.063 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 822.160

Brand: ELRING

ELRING 822.160 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 654.780

Brand: ELRING

ELRING 654.780 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 897.330

Brand: ELRING

ELRING 897.330 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 826.626

Brand: ELRING

ELRING 826.626 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 823.160

Brand: ELRING

ELRING 823.160 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 943.830

Brand: ELRING

ELRING 943.830 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 877.170

Brand: ELRING

ELRING 877.170 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Quick view

Reference: 390.620

Brand: ELRING

ELRING 390.620 Full Gasket Set, engine

Supplementary Article/Supplementary Info : ...

(0)

£0.00

Out-of-Stock

Follow us on Facebook

Facebook