What size are the bolts that connect the upper control arm to the frame on a 2000 dakota 4x4? Thanks

Brake Hose Bracket Nuts .................... 18 Nm (13 lb ft)
Lower Ball Joint to Steering Knuckle Nut .................... 128 Nm (94 lb ft)
Lower Control Arm Bumper .................... 32 Nm (23 lb ft)
Lower Control Arm to Frame Nuts and Bolts .................... 165 Nm (121 lb ft)
Shock Absorber to Control Arm Bolts .................... 27 Nm (20 lb ft)
Shock Absorber Upper Nut .................... 11 Nm (100 lb in)
Splash Shield to Steering Knuckle Bolts .................... 26 Nm (19 lb ft)
Stabilizer Bar Bracket to Frame Nuts and Bolts .................... 33 Nm (24 lb ft)
Stabilizer Link Nuts .................... 18 Nm (13 lb ft)
Outer Tie Rod Nut .................... 62 Nm (46 lb ft)
Upper Ball Joint Nuts .................... 24 Nm (18 lb ft)
Upper Ball Joint to Steering Knuckle Nut .................... 100 Nm (74 lb ft)
Upper Control Arm to Frame Nuts and Bolts .................... 190 Nm (140 lb ft)
Adjuster Tube Clamp Nut .................... 25 Nm (18 ft. lbs.)
Idler Arm to Frame Nut .................... 99 Nm (73 ft. lbs.)
Idler Arm to Relay Rod Nut .................... 62 Nm (46 ft. lbs.)
Pitman Arm to Relay Rod Nut .................... 62 Nm (46 ft. lbs.)
Pitman Arm to Steering Gear Nut .................... 250 Nm (184 ft. lbs.)
Relay Rod to Re Rod Nut .................... 47 Nm (35 ft. lbs.)
Steering Shock Absorber to Frame Bracket Nut .................... 40 Nm (30 ft. lbs.)
Steering Shock Absorber to Relay Rod Nut .................... 62 Nm (46 ft. lbs.)
Tie Rod to Steering Knuckle Nut .................... 62 Nm (46 ft. lbs.)

Either 18 MM or 21 MM. If they look the same size as the lower control arm bolts. They are 18 MM. Rarely are upper arms changed. Upper ball joints are fairly common.

1. Original control arm does not allow adjustment of caster and camber. caster and camber may be adjusted only by using adjustment kit ( gm # 15538596 ) Raise vehicle, and support under lower control arms.
remove and discard upper control arm to frame bracket bolts, nuts and washer.

2. remove large washers welded to upper control arm frame brackets. remove wield beads from upper control arm brackets. grind area smooth. install adjustment cans to bracket.

3. install bolt,adjust caster and camber to specifications by rotating bolt head.

There is an upper and lower control arm that Jeremy refers to, and they attach to the top and bottom of the kingpin in the above image.

Easiest way to remove the rivets if you don't have an air chisel is to drill through them and then finish off using a hand chisel. The new ones will come with bolts...don't use a drill larger than the bolts.

General Description
The front suspension allows each wheel to compensate for changes in the road surface without affecting the opposite wheel. Each wheel independently connects to the frame with a steering knuckle, ball joint assemblies, and upper and lower control arms.
The control arms specifically allow the steering knuckles to move in a three-dimensional arc. Two tie rods connect to steering arms on the knuckles and an intermediate rod. These operate the front wheels.
The two-wheel drive vehicles have coil chassis springs. These springs are mounted between the spring housings on the frame and the lower control arms. Double, direct acting shock absorbers are inside the coil springs. The coil springs attach to the lower control arms and offer ride control.
The upper part of each shock absorber extends through the upper control arm frame bracket. This bracket has two grommets, two grommet retainers, and a nut.
A spring stabilizer shaft controls the side roll of the front suspension. This shaft is mounted in rubber bushings that are held by brackets to the frame side rails. The ends of the stabilizer shaft connect to the lower control arms with link bolts. Rubber grommets isolate these link bolts. Rubber bushings attach the upper control arm to a cross shaft. Frame brackets bolt the cross shaft.
A ball joint assembly is riveted to the outer end of the upper control arm. A rubber spring in the control arm assures that the ball seats properly in the socket. A castellated nut and a cotter pin join the steering knuckle to the upper ball joint.
The inner ends of the lower control arm have pressed-in bushings. The bolts pass through the bushings and join the arm to the frame. The lower ball joint assembly is a press fit in the lower control arm and attaches to the steering knuckle with a castellated nut and a cotter pin.
Ball socket assemblies have rubber grease seals. These seals prevent entry of moisture and dirt and damage to the bearing surfaces.
Four-wheel drive models have a front suspension that consists of the control arms, a stabilizer bar, a shock absorber, and right and left torsion bars. The torsion bars replace the conventional coil springs. The lower control arm attaches to the front end of the torsion bar. The rear end of the torsion bar mounts on an adjustable arm at the crossmember. This arm adjustment controls the vehicle trim height.
Two-wheel drive vehicles have tapered roller sheel bearings. These bearings are adjustible and need lubrication.
Four-wheel drive models and RWD Utilities have sealed front-wheel bearings. These bearings are pre-adjusted and need no lubrication.
Heat treatment may create darkened areas on the bearing assembly. This discoloration does not signal a need for replacement.
Hope this helps?

remove wheel,remove brake hose bracket disconnect abs wire,remove upper balljoint,mark position of eccentric cams to frame brackets before removing bolts,pry control arm out,et voila!

call carquest or other parts house and ask them for the torque specs or a front end alignment shop.

Hi ,some control arms come like that ,(either bolted or fitted) just be sure that is the same size of control arm by comparing them together,....