Name: 600202 4WD Actuator
Brand: AAASTAND
Availability: InStock

600202

Article number: DI43001 AAASTAND's product is cross-referenced with this one.

A 4WD actuator enables vehicles with four-wheel-drive systems to switch between 2WD and 4WD, enhancing traction and control in challenging conditions like off-road, snow, or mud.

Tailored for wholesale and OEM needs, our 600202 support OE number cross-reference. Please consult our sales team for MOQ and procurement details.

Designed to meet international certifications such as ISO, CE, and DOT, ensuring compatibility and safety across global markets.

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Vehicle Fitment

Make	Model	Type	Engine Code	Capacity	Fuel Type	Year	Power

JEEP	WRANGLER I (YJ, SJ_)	2.5	E246L	2464 CCM / 2.5 L	Petrol	1988-01-01 1991-12-01	76 KW / 103 PS
JEEP	WRANGLER I (YJ, SJ_)	2.5	EPE	2464 CCM / 2.5 L	Petrol	1991-12-01 1996-08-01	89 KW / 121 PS
JEEP	WRANGLER I (YJ, SJ_)	4.0	ERH	3964 CCM / 4.0 L	Petrol	1991-12-01 1996-08-01	131 KW / 178 PS
JEEP	CHEROKEE (XJ)	2.5 i 4x4	EPE,HX	2469 CCM / 2.5 L	Petrol	1991-12-01 2001-09-01	90 KW / 122 PS
JEEP	CHEROKEE (XJ)	4.0 i	MX	3964 CCM / 4.0 L	Petrol	1991-12-01 2001-09-01	135 KW / 184 PS
JEEP	CHEROKEE (XJ)	4.0 i	ERH	3964 CCM / 4.0 L	Petrol	1988-01-01 2001-09-01	136 KW / 185 PS
JEEP	CHEROKEE (XJ)	2.1 TD	J8S	2068 CCM / 2.1 L	Diesel	1984-10-01 2001-09-01	64 KW / 87 PS
JEEP	CHEROKEE (XJ)	2.5 TD 4x4	ENC	2499 CCM / 2.5 L	Diesel	1988-01-01 2001-09-01	85 KW / 116 PS
JEEP	GRAND CHEROKEE I (ZJ, ZG)	4.0 i 4x4 (ZJ)	ERH	3964 CCM / 4.0 L	Petrol	1992-06-01 1999-04-01	132 KW / 180 PS
JEEP	GRAND CHEROKEE I (ZJ, ZG)	4.0 i 4x4 (ZJ)	MX	3964 CCM / 4.0 L	Petrol	1991-09-01 1999-04-01	135 KW / 184 PS
JEEP	GRAND CHEROKEE I (ZJ, ZG)	5.2 i 4x4 (ZJ)	ELF	5210 CCM / 5.2 L	Petrol	1992-01-01 1999-04-01	155 KW / 211 PS
JEEP	GRAND CHEROKEE I (ZJ, ZG)	5.2 i 4x4 (ZJ)	Y	5210 CCM / 5.2 L	Petrol	1992-09-01 1998-09-01	158 KW / 215 PS
JEEP	CHEROKEE (XJ)	4.0 i 4x4	ERH	3964 CCM / 4.0 L	Petrol	1995-01-01 2001-09-01	131 KW / 178 PS
JEEP	CHEROKEE (XJ)	2.5	EPE	2469 CCM / 2.5 L	Petrol	1995-10-01 2001-09-01	89 KW / 121 PS
JEEP	GRAND CHEROKEE I (ZJ, ZG)	4.0 i 4x4 (Z)	S01	3960 CCM / 4.0 L	Petrol	1995-10-01 1999-04-01	130 KW / 177 PS
JEEP	GRAND CHEROKEE I (ZJ, ZG)	5.2 4x4 (Z)	Y01	5216 CCM / 5.2 L	Petrol	1995-10-01 1999-04-01	156 KW / 212 PS
JEEP	GRAND CHEROKEE I (ZJ, ZG)	2.5 TD 4x4 (Z)	ENC	2499 CCM / 2.5 L	Diesel	1995-10-01 1999-04-01	85 KW / 115 PS
JEEP	CHEROKEE (XJ)	2.5 i 4x4	EPE	2464 CCM / 2.5 L	Petrol	1984-10-01 2001-09-01	87 KW / 118 PS
DODGE	RAM 1500 Pickup (BE, BR)	3.9	EHC	3908 CCM / 3.9 L	Petrol	1993-01-01 2002-08-01	130 KW / 177 PS
JEEP	GRAND CHEROKEE I (ZJ, ZG)	5.9 i 4x4	EML	5889 CCM / 5.9 L	Petrol	1997-08-01 1999-04-01	177 KW / 241 PS
DODGE	RAM 1500 Pickup (BE, BR)	3.9		3906 CCM / 3.9 L	Petrol	1991-04-01 1998-09-01	162 KW / 220 PS
JEEP	CHEROKEE (XJ)	4.0 i	ERH	3960 CCM / 4.0 L	Petrol	1998-07-01 2001-09-01	127 KW / 173 PS
JEEP	CHEROKEE (XJ)	4.0 i	MX	3960 CCM / 4.0 L	Petrol	1999-02-01 2001-09-01	135 KW / 184 PS
JEEP	CHEROKEE (XJ)	2.1 TD	J8S	2068 CCM / 2.1 L	Diesel	1989-06-01 1992-03-01	59 KW / 80 PS
JEEP	WRANGLER I (YJ, SJ_)	4.2	6L <C 2V>	4235 CCM / 4.2 L	Petrol	1986-08-01 1989-08-01	84 KW / 114 PS
DODGE	RAM 2500 Pickup (BE, BR)	5.2	ELF	5210 CCM / 5.2 L	Petrol	1993-01-01 1998-06-01	164 KW / 223 PS
JEEP	WRANGLER I (YJ, SJ_)	4.2 2WD		4229 CCM / 4.2 L	Petrol	1986-10-01 1990-09-01	82 KW / 111 PS
JEEP	GRAND CHEROKEE I (ZJ, ZG)	4.0 Laredo	ERH	3964 CCM / 4.0 L	Petrol	1996-10-01 1998-09-01	131 KW / 178 PS
JEEP	GRAND CHEROKEE I (ZJ, ZG)	5.2 Limited 4x4	ELF	5210 CCM / 5.2 L	Petrol	1996-10-01 1998-09-01	136 KW / 185 PS
JEEP	GRAND CHEROKEE I (ZJ, ZG)	2.5 TD Laredo	ENC	2498 CCM / 2.5 L	Diesel	1996-10-01 1998-09-01	85 KW / 115 PS
JEEP	CHEROKEE (XJ)	2.5 SE	EPE	2464 CCM / 2.5 L	Petrol	1996-10-01 1999-09-01	87 KW / 118 PS
JEEP	CHEROKEE (XJ)	2.5	EPE	2464 CCM / 2.5 L	Petrol	1990-10-01 1996-09-01	89 KW / 121 PS
JEEP	CHEROKEE (XJ)	2.5	EPE	2464 CCM / 2.5 L	Petrol	1986-10-01 1990-09-01	90 KW / 122 PS
JEEP	CHEROKEE (XJ)	2.5 4x4	EPE	2464 CCM / 2.5 L	Petrol	1986-10-01 1990-09-01	90 KW / 122 PS
JEEP	CHEROKEE (XJ)	4.0	M400L	3956 CCM / 4.0 L	Petrol	1986-10-01 1990-09-01	131 KW / 178 PS
JEEP	CHEROKEE (XJ)	4.0 4x4	M400L	3956 CCM / 4.0 L	Petrol	1986-10-01 1990-09-01	131 KW / 178 PS
JEEP	CHEROKEE (XJ)	2.1 D 4x4	J8S 742	2068 CCM / 2.1 L	Diesel	1986-10-01 1992-09-01	59 KW / 80 PS
JEEP	GRAND CHEROKEE I (ZJ, ZG)	5.2	ELF	5210 CCM / 5.2 L	Petrol	1996-10-01 1998-09-01	164 KW / 223 PS
JEEP	GRAND CHEROKEE I (ZJ, ZG)	5.2 4x4	ELF	5210 CCM / 5.2 L	Petrol	1996-10-01 1998-09-01	164 KW / 223 PS
JEEP	CHEROKEE (XJ)	2.5 4x4	EPE	2464 CCM / 2.5 L	Petrol	1984-10-01 1986-09-01	87 KW / 118 PS
JEEP	CHEROKEE (XJ)	2.5 Tdi 4x4	ENC	2498 CCM / 2.5 L	Diesel	1996-10-01 2001-09-01	85 KW / 116 PS
JEEP	WRANGLER I (YJ, SJ_)	4.0 2WD	M400L	3956 CCM / 4.0 L	Petrol	1986-10-01 1990-09-01	131 KW / 178 PS
JEEP	WRANGLER I (YJ, SJ_)	4.0 4x4	M400L	3956 CCM / 4.0 L	Petrol	1986-10-01 1990-09-01	131 KW / 178 PS
DODGE	RAMCHARGER	5.2	ELA	5210 CCM / 5.2 L	Petrol	1983-10-01 1988-09-01	107 KW / 145 PS
DODGE	RAMCHARGER	5.2	ELG	5210 CCM / 5.2 L	Petrol	1988-10-01 1993-09-01	127 KW / 173 PS
DODGE	RAMCHARGER	5.9	EMG	5894 CCM / 5.9 L	Petrol	1988-10-01 1996-12-01	142 KW / 193 PS
DODGE	RAMCHARGER	5.2 4WD	ELA	5210 CCM / 5.2 L	Petrol	1983-10-01 1988-09-01	107 KW / 145 PS
DODGE	RAMCHARGER	5.9 4WD	EMA	5894 CCM / 5.9 L	Petrol	1983-01-01 1988-09-01	130 KW / 177 PS
DODGE	RAMCHARGER	5.2 4WD	ELG	5210 CCM / 5.2 L	Petrol	1988-10-01 1993-09-01	127 KW / 173 PS
DODGE	RAM 3500 Pickup (BR, BE)	5.9 TD	ETB	5886 CCM / 5.9 L	Diesel	1993-01-01 1996-09-01	118 KW / 160 PS
DODGE	RAM 2500 Pickup (BE, BR)	5.9 Di	ETC	5890 CCM / 5.9 L	Diesel	1996-10-01 2001-05-01	154 KW / 209 PS
DODGE	RAM 3500 Pickup (BR, BE)	5.9 TD 4x4	ETB	5886 CCM / 5.9 L	Diesel	1993-01-01 1996-09-01	118 KW / 160 PS
DODGE	RAM 3500 Pickup (BR, BE)	5.9	EML	5889 CCM / 5.9 L	Petrol	1993-01-01 2001-05-01	184 KW / 250 PS
DODGE	RAM 3500 Pickup (BR, BE)	5.9 4x4	EML	5889 CCM / 5.9 L	Petrol	1993-01-01 2001-05-01	184 KW / 250 PS
DODGE	RAM 3500 Pickup (BR, BE)	5.9 TD	ETC	5890 CCM / 5.9 L	Diesel	1996-10-01 2001-05-01	154 KW / 209 PS
DODGE	RAM 3500 Pickup (BR, BE)	5.9 TD 4x4	ETC	5890 CCM / 5.9 L	Diesel	1996-10-01 2001-05-01	154 KW / 209 PS
DODGE	RAM 1500 Pickup (BE, BR)	5.9	EML	5889 CCM / 5.9 L	Petrol	1993-01-01 2001-09-01	184 KW / 250 PS
DODGE	RAM 2500 Pickup (BE, BR)	5.9 Di	ETB	5886 CCM / 5.9 L	Diesel	1993-01-01 1996-09-01	118 KW / 160 PS
DODGE	RAM 2500 Pickup (BE, BR)	5.9 Di 4x4	ETC	5890 CCM / 5.9 L	Diesel	1996-10-01 2001-05-01	154 KW / 209 PS
DODGE	RAM 1500 Pickup (BE, BR)	5.9 4x4	EML	5889 CCM / 5.9 L	Petrol	1993-01-01 2001-09-01	184 KW / 250 PS
DODGE	RAM 1500 Pickup (BE, BR)	5.2	ELF	5210 CCM / 5.2 L	Petrol	1993-01-01 2001-09-01	172 KW / 234 PS
DODGE	RAM 2500 Pickup (BE, BR)	8.0	EWA	7982 CCM / 8.0 L	Petrol	1993-01-01 2001-05-01	221 KW / 300 PS
DODGE	RAM 1500 Pickup (BE, BR)	5.2 4x4	ELF	5210 CCM / 5.2 L	Petrol	1993-01-01 2001-05-01	172 KW / 234 PS
DODGE	RAM 1500 Pickup (BE, BR)	3.9	EHC	3908 CCM / 3.9 L	Petrol	1993-01-01 2001-05-01	128 KW / 174 PS
DODGE	RAM 1500 Pickup (BE, BR)	5.2	ELF	5210 CCM / 5.2 L	Petrol	1993-01-01 1998-06-01	164 KW / 223 PS
DODGE	RAM 2500 Pickup (BE, BR)	5.9 Di 4x4	ETB	5886 CCM / 5.9 L	Diesel	1993-01-01 1996-09-01	118 KW / 160 PS
DODGE	RAM 2500 Pickup (BE, BR)	8.0 4x4	EWA	7982 CCM / 8.0 L	Petrol	1993-01-01 2001-05-01	221 KW / 300 PS
JEEP	COMANCHE (MJ)	4.0 4x4	ERH	3964 CCM / 4.0 L	Petrol	1987-10-01 1996-09-01	130 KW / 178 PS
JEEP	COMANCHE (MJ)	4.0	ERH	3964 CCM / 4.0 L	Petrol	1990-10-01 1996-09-01	130 KW / 178 PS
JEEP	COMANCHE (MJ)	2.1 D 4x4	J8S-814	2068 CCM / 2.1 L	Diesel	1986-01-01 1990-09-01	63 KW / 86 PS
JEEP	COMANCHE (MJ)	2.1 D	J8S-814	2068 CCM / 2.1 L	Diesel	1986-10-01 1990-09-01	63 KW / 86 PS
JEEP	COMANCHE (MJ)	2.5 4x4	EPE	2464 CCM / 2.5 L	Petrol	1986-10-01 1990-09-01	90 KW / 122 PS
JEEP	COMANCHE (MJ)	2.5	EPE	2464 CCM / 2.5 L	Petrol	1986-10-01 1990-09-01	90 KW / 122 PS
JEEP	COMANCHE (MJ)	4.0	MX400L	3964 CCM / 4.0 L	Petrol	1990-10-01 1996-09-01	127 KW / 173 PS
JEEP	CHEROKEE (XJ)	2.5 4x4	EPE	2464 CCM / 2.5 L	Petrol	1983-09-01 1985-12-01	78 KW / 106 PS
JEEP	CHEROKEE (XJ)	2.8 4x4	LR2	2835 CCM / 2.8 L	Petrol	1983-09-01 1986-12-01	86 KW / 117 PS
JEEP	CHEROKEE (XJ)	2.5		2458 CCM / 2.5 L	Petrol	1984-10-01 1985-12-01	78 KW / 106 PS
JEEP	CHEROKEE (XJ)	2.8	LR2	2835 CCM / 2.8 L	Petrol	1984-10-01 1986-12-01	86 KW / 117 PS
JEEP	CHEROKEE (XJ)	4.0	ERH	3964 CCM / 4.0 L	Petrol	1990-09-01 1999-12-01	142 KW / 193 PS
JEEP	CHEROKEE (XJ)	4.0 4x4	ERH	3964 CCM / 4.0 L	Petrol	1990-09-01 1999-12-01	142 KW / 193 PS
JEEP	COMANCHE (MJ)	2.8	LR2	2835 CCM / 2.8 L	Petrol	1986-01-01 1986-12-01	86 KW / 117 PS
JEEP	COMANCHE (MJ)	2.8 4x4	LR2	2835 CCM / 2.8 L	Petrol	1986-01-01 1986-12-01	86 KW / 117 PS
JEEP	CHEROKEE (XJ)	4.0 4x4	ERH	3964 CCM / 4.0 L	Petrol	1986-09-01 1987-12-01	129 KW / 175 PS
JEEP	CHEROKEE (XJ)	4.0 4x4	ERH	3964 CCM / 4.0 L	Petrol	1987-09-01 1990-12-01	132 KW / 180 PS
DODGE	RAMCHARGER	5.2		5211 CCM / 5.2 L	Petrol	1982-09-01 1983-12-01	124 KW / 169 PS
DODGE	RAMCHARGER	5.2 4WD		5211 CCM / 5.2 L	Petrol	1984-09-01 1987-12-01	106 KW / 144 PS
DODGE	RAMCHARGER	5.9 4WD		5899 CCM / 5.9 L	Petrol	1988-10-01 1993-12-01	142 KW / 193 PS
DODGE	RAMCHARGER	5.2		5211 CCM / 5.2 L	Petrol	1991-09-01 1993-12-01	172 KW / 234 PS
JEEP	GRAND CHEROKEE I (ZJ, ZG)	5.9 4x4	EML	5889 CCM / 5.9 L	Petrol	1997-09-01 1998-12-01	183 KW / 249 PS
JEEP	WRANGLER I (YJ, SJ_)	2.5 4WD	EPE	2464 CCM / 2.5 L	Petrol	1986-09-01 1990-12-01	87 KW / 117 PS
JEEP	WRANGLER I (YJ, SJ_)	4.0 4WD	M400L	3956 CCM / 4.0 L	Petrol	1990-09-01 1995-12-01	134 KW / 182 PS
JEEP	CHEROKEE (XJ)	4.0 i	ERH	3964 CCM / 4.0 L	Petrol	1990-10-01 2001-09-01	125 KW / 170 PS
DODGE	RAM 2500 Pickup (BE, BR)	5.9	EML	5889 CCM / 5.9 L	Petrol	1993-01-01 2001-09-01	184 KW / 250 PS
DODGE	RAM 2500 Pickup (BE, BR)	5.9 4x4	EML	5889 CCM / 5.9 L	Petrol	1993-01-01 2001-09-01	184 KW / 250 PS
DODGE	RAMCHARGER	5.9		5898 CCM / 5.9 L	Petrol	1985-09-01 1989-12-01	122 KW / 166 PS
DODGE	RAMCHARGER	5.9 4WD		5898 CCM / 5.9 L	Petrol	1985-09-01 1989-12-01	122 KW / 166 PS
DODGE	RAMCHARGER	3.7		3687 CCM / 3.7 L	Petrol	1980-09-01 1986-12-01	72 KW / 98 PS
DODGE	RAMCHARGER	3.7 4WD		3687 CCM / 3.7 L	Petrol	1980-09-01 1986-12-01	72 KW / 98 PS
DODGE	RAMCHARGER	5.2 4WD		5211 CCM / 5.2 L	Petrol	1982-09-01 1983-12-01	124 KW / 169 PS
DODGE	RAMCHARGER	5.2 4WD		5211 CCM / 5.2 L	Petrol	1991-09-01 1993-12-01	172 KW / 234 PS
DODGE	RAMCHARGER	5.9	EMA	5894 CCM / 5.9 L	Petrol	1983-10-01 1988-09-01	130 KW / 177 PS
DODGE	RAMCHARGER	5.9		5894 CCM / 5.9 L	Petrol	1980-09-01 1981-12-01	134 KW / 182 PS
DODGE	RAMCHARGER	5.9 4WD		5894 CCM / 5.9 L	Petrol	1980-09-01 1981-12-01	134 KW / 182 PS
DODGE	RAMCHARGER	5.9 4WD		5899 CCM / 5.9 L	Petrol	1987-09-01 1988-12-01	138 KW / 188 PS
DODGE	RAMCHARGER	5.9		5899 CCM / 5.9 L	Petrol	1987-09-01 1988-12-01	138 KW / 188 PS
JEEP	WRANGLER I (YJ, SJ_)	2.5 4WD	EPE	2464 CCM / 2.5 L	Petrol	1990-09-01 1995-12-01	92 KW / 125 PS
JEEP	GRAND CHEROKEE I (ZJ, ZG)	4.0	ERH	3964 CCM / 4.0 L	Petrol	1992-09-01 1994-12-01	142 KW / 193 PS
JEEP	GRAND CHEROKEE I (ZJ, ZG)	4.0 4x4	ERH	3964 CCM / 4.0 L	Petrol	1992-09-01 1994-12-01	142 KW / 193 PS
JEEP	GRAND CHEROKEE I (ZJ, ZG)	4.0	ERH	3964 CCM / 4.0 L	Petrol	1994-09-01 1998-12-01	138 KW / 188 PS
JEEP	GRAND CHEROKEE I (ZJ, ZG)	4.0 4x4	ERH	3964 CCM / 4.0 L	Petrol	1994-09-01 1998-12-01	138 KW / 188 PS
JEEP	CHEROKEE (XJ)	2.5	EPE	2464 CCM / 2.5 L	Petrol	1990-09-01 1995-12-01	97 KW / 132 PS
JEEP	CHEROKEE (XJ)	2.5 4x4	EPE	2464 CCM / 2.5 L	Petrol	1990-09-01 1995-12-01	97 KW / 132 PS
JEEP	CHEROKEE (XJ)	2.5	EPE	2464 CCM / 2.5 L	Petrol	1995-09-01 2000-12-01	93 KW / 126 PS
JEEP	CHEROKEE (XJ)	2.5 4x4	EPE	2464 CCM / 2.5 L	Petrol	1995-09-01 2000-12-01	93 KW / 126 PS
JEEP	CHEROKEE (XJ)	4.0	ERH	3964 CCM / 4.0 L	Petrol	1986-09-01 1987-12-01	129 KW / 175 PS
JEEP	CHEROKEE (XJ)	4.0	ERH	3964 CCM / 4.0 L	Petrol	1987-09-01 1990-12-01	132 KW / 180 PS
JEEP	CHEROKEE (XJ)	4.0 4x4		3964 CCM / 4.0 L	Petrol	1990-09-01 2001-09-01	145 KW / 197 PS
JEEP	COMANCHE (MJ)	4.0	ERH	3964 CCM / 4.0 L	Petrol	1987-09-01 1990-12-01	132 KW / 180 PS
JEEP	COMANCHE (MJ)	4.0	ERH	3964 CCM / 4.0 L	Petrol	1990-09-01 1992-12-01	142 KW / 193 PS
JEEP	COMANCHE (MJ)	4.0 4x4	ERH	3964 CCM / 4.0 L	Petrol	1987-09-01 1990-12-01	132 KW / 180 PS
JEEP	COMANCHE (MJ)	4.0 4x4	ERH	3964 CCM / 4.0 L	Petrol	1990-09-01 1992-12-01	142 KW / 193 PS
DODGE	RAM 1500 Pickup (BE, BR)	3.9 4x4		3906 CCM / 3.9 L	Petrol	1991-04-01 1998-09-01	162 KW / 220 PS
JEEP	CHEROKEE (XJ)	2.5 4x4	EPE	2464 CCM / 2.5 L	Petrol	1990-10-01 1996-09-01	89 KW / 121 PS
JEEP	CHEROKEE (XJ)	2.5 TD	ENC	2499 CCM / 2.5 L	Diesel	1995-02-01 2001-08-01	85 KW / 116 PS
JEEP	WRANGLER I (YJ, SJ_)	4.2 4WD	258	4235 CCM / 4.2 L	Petrol	1986-09-01 1990-12-01	82 KW / 111 PS
DODGE	RAMCHARGER	5.9 4WD	LA360	5899 CCM / 5.9 L	Petrol	1986-01-01 1996-12-01	171 KW / 232 PS
DODGE	RAMCHARGER	5.9	LA360	5899 CCM / 5.9 L	Petrol	1986-01-01 1996-12-01	171 KW / 232 PS
JEEP	CHEROKEE (XJ)	4.2 4x4	M258	4229 CCM / 4.2 L	Petrol	1983-10-01 1986-09-01	81 KW / 110 PS
JEEP	CHEROKEE (XJ)	4.2 4x4		4229 CCM / 4.2 L	Petrol	1983-10-01 1986-09-01	76 KW / 103 PS

What is a 4WD actuator, and what does it do?

A 4WD (Four-Wheel Drive) actuator is a component in four-wheel-drive vehicles that engages or disengages the front axle or transfer case to switch between two-wheel drive (2WD) and four-wheel drive (4WD) modes. It allows the driver to activate 4WD as needed for off-road or slippery conditions.

How does a 4WD actuator work?

The 4WD actuator receives signals from the vehicle's 4WD control system (via a switch or electronic module) and uses: Vacuum pressure Electric motor Hydraulic force to engage or disengage the drivetrain components responsible for powering the front wheels.

What are the types of 4WD actuators?

Electronic Actuators: Operated by an electronic control unit (ECU). Common in modern vehicles. Vacuum Actuators: Use vacuum pressure to engage or disengage 4WD. Found in older vehicles or simpler systems. Hydraulic Actuators: Use hydraulic pressure to perform the same function. Manual Locking Hubs (not technically an actuator): Require the driver to manually engage the 4WD at the wheels.

What are the signs of a failing 4WD actuator?

4WD mode does not engage or disengage properly. Grinding or clunking noises during 4WD activation. 4WD warning light illuminated on the dashboard. Vehicle stuck in 4WD or 2WD mode. Decreased off-road capability or slipping in challenging conditions.

Car models	JEEP WRANGLER I (YJ, SJ_); JEEP CHEROKEE (XJ); JEEP GRAND CHEROKEE I (ZJ, ZG); DODGE RAM 1500 Pickup (BE, BR); DODGE RAM 2500 Pickup (BE, BR); DODGE RAMCHARGER; DODGE RAM 3500 Pickup (BR, BE); JEEP COMANCHE (MJ)
Engines	E246L; EPE; ERH; EPE,HX; MX; J8S; ENC; ELF; Y; S01; Y01; EHC; EML; ; 6L <C 2V>; M400L; J8S 742; ELA; ELG; EMG; EMA; ETB; ETC; EWA; J8S-814; MX400L; LR2; 258; LA360; M258
Engine power (horsepower)	80-300 HP
Power (kilowatts)	59-221 KW
Year of manufacture	1980-2002