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1.Fitting the Following vehicle:
1998-2000 Nissan Frontier 4WD 2.4L 4Cyl L (2389)(-)
1999-2004 Nissan Frontier 3.3L 6Cyl V (3275)(-)
2000-2004 Nissan Xterra
2.Package Includes:
Upper Ball Joints come Pre-Assembled onto the Control Arms
1 x Part # Front Upper Control Arm And Ball Joint - Driver Side - K620657
1 x Part # Front Upper Control Arm And Ball Joint - Passenger Side - K620658
3.Note
Although some parts have grease fittings, other parts are factory sealed, but do not affect the fit and quality of the parts.
10 Year Warranty
Please check above compatibility list to make sure it fits your vehicle.
If you want to find more about suspension kits,clicking our store.
Suspension Control Arm
Control arms are installed in pairs on the front and rear axle and connect the chassis to the wheels as part of the suspension. Therefore, they have a significant influence on the driving characteristics of the vehicle.
A dynamic or a comfortable driving style? The control arms are individually adjusted to the vehicle depending on the desired characteristics. They also absorb lateral movements and forces resulting from driving off and braking.
Suspension Control Arm Replacement Guideline:
Control arms are installed in pairs on the front and rear axle and connect the chassis to the wheels as part of the suspension. Therefore, they have a significant influence on the driving characteristics of the vehicle.
A dynamic or a comfortable driving style? The control arms are individually adjusted to the vehicle depending on the desired characteristics. They also absorb lateral movements and forces resulting from driving off and braking.
Picture(A)
A defective control arm can manifest in the following ways:
(1).Noise (squeaking, creaking, rumbling).
(2).Deteriorating driveability.
(3).Increasingly woolly and imprecise steering.
(4).Uneven tyre wear.
Tip:If the control arm is in working order, it is possible to only replace the defective bearings and joints. However, replacing bearings, control arm bushings and ball joints can be very complex and costly.
Picture(B)
1.First lift the vehicle using a car lift, ideally a wheel-free four-post car lift. This makes it easier to correctly tighten the control arm fixing screws.
WARNING:Depending on the axle design, the control arm may need to be secured against falling with a suitable device, e.g. a transmission lifter.
2.Treat the fixing screws and nuts of the control arm with rust solvent and leave it to work for a few minutes so that they are easier to loosen.
3.On vehicles with automatic headlight levelling, it may be necessary to detach the leveling sensor from the control arm.
Picture(C)
4.If the stabilizer is connected to the control arm, the next step is to loosen and remove the corresponding stabiliser fixing screws.
5.Loosen and remove the control arm fixing screws.
6.Loosen the ball joint at the steering knuckle with a suitable special tool (e.g. a puller).
7.Remove the old control arm.
Picture(D)
8.Clean the mounting flange of the ball joint pin on the steering knuckle with sandpaper and then with brake cleaner. Otherwise single rust particles can enter the new control arm joint via the ball pin, potentially leading to premature failure of the joint.
Picture(E)
9.Fit the new control arm with the supplied accessories and attach new fixing screws and nuts.
Picture(F)
10.Reattach the stabilizer and, if applicable, the leveling sensor for headlight leveling to the control arm.
NOTE:Do not tighten the fixing screws and nuts in this step, otherwise the rubber mounts will twist when the suspension compresses. This would lead to undesired preloading onf the mounts.
Picture(G)
11.Now lower the vehicle until the suspension is compressed. Depending on vehicle type, load or unload the vehicle until the required height published in the specific installation instruction is reached. This is where a wheel-free four-post car lift is advantageous, as the underside of the vehicle can still be easily accessed once lowered.
12.Tighten the fixing screws with the torque stipulated by the vehicle manufacturer.
13.Lower the vehicle all the way.
14.Measure the chassis and adjust if necessary.
15.Check and, if necessary, adjust the headlight settings on vehicles with automatic headlight leveling where the leveling sensor is attached to the control arm.
16.To conclude, test-drive the vehicle.
Frequently Asked Questions
(1).What's the function of control arm?
The control arm connects the hub and the frame of the car. There are ball joints on the hub side and bushings on the frame side to achieve up and down instead of forward and rearward.
(2).What is the significance of the control arm for the car?
As an important part of the car suspension, the control arm is used to transmit the required supporting force of the wheel and to withstand all the front and rear direction stresses. It is an important safety part of the chassis system. Therefore, it requires high strength and reliability in the design. Its fatigue strength is directly related to the safety of vehicles and members.
(3).How to tell the quality of control arm?
Look at the materials and processing of the control arm: the materials used to control the arm, common are steel and aluminum alloy. In ordinary family cars, steel control arms are very common, and the basic appeal is to meet the strength while controlling costs. In the middle and high-end models, you will see the control arm of the aluminum alloy and the wheel bearing housing. In addition to meeting the strength of the suspension, this material can further reduce the weight and reduce the weight of the suspension spring to improve the suspension response. Improve driving performance.
Look at chassis protection and workmanship: Regarding chassis protection, we mainly pay attention to whether it is equipped with engine under guard, whether there is coating or cover at the bottom of the car body, whether the oil pipe is covered with a guard plate, whether the front and rear wheel arches are protected. Board or coating coverage, etc.
(4).Do I need to replace the control arm if the bushings are worn? What is the safety risk?
Because the weight of the car is transferred through the control arm two rubber bushings are fitted at the pivot point and bolted to the frame. Road conditions and driving habits can contribute to the wear of these bushings which will become worn and fall apart. These bushing can be inspected by raising the car up and looking for an irregular configuration of the rubber center of the bushing. Many control arms have the ball joint manufactured into the arm which will be replaced along with the control arm itself. When one control arm is worn it is highly advised to replace the opposing arm.
(5).What is the average cost of replacing control arms?
The cost to replace control arms depend on the vehicle. Control arms cost different amounts depending on the vehicle, as well as the labor to install. Some are easy to install and take little time, while others can take several hours.
| Item Specifics | |
|---|---|
| Placement on Vehicle : | Front Left Right Upper |
| Type : | Control Arm & Ball Joint Assembly |
| Universal Fitment : | No |
| Control Arm Construction : | Forged |
| Items Included : | Mounting Hardware |
| Custom Bundle : | Yes |
| Bundle Description : | 1x Left 1x Right Upper Front Control Arm and Ball Joint Assembly |
| Interchange Part Number : | K620657, K620658 |
| OE/OEM Part Number : | Suspension Control Arms and Ball Joints Assembly |
| Superseded Part Number : | Front Driver and Passenger Side Replacement |
| Manufacturer Warranty : | 10 Year |
| Brand : | topcn-autoparts |
| UPC : | Does Not Apply |
| Manufacturer Part Number : | TA80186801P |
| Adjustable : | Yes |
| Greasable or Sealed : | Greasable |
| Kit Included : | 2 Pieces |
| Surface Finish : | Premium Quality |
| Cross Part Number : | 545258B550 1998 1999 2000 2001 2002 2003 2004 |
| Cross Reference Part Number : | 545248B550 |
| Fitment : | For Nissan Frontier Xterra |
| Fitment : | For Nissan Frontier Xterra |
| Features : | Greasable |
| Finish : | Coated |
| Cotter Pin Hole : | Yes |
| Material : | Alloy Steel |
| Mounting Style : | Bolt-On |
2.All of our brand new items come with a 30-Days money-back guarantee.
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2x Front Upper Control Arms & Ball Joint Assemblies For 1998-04 Frontier Xterra
1.Fitting the Following vehicle: 1998-2000 Nissan Frontier 4WD 2.4L 4Cyl L (2389)(-)
2.Package Includes: 1 x Part # Front Upper Control Arm And Ball Joint - Driver Side - K620657
3.Note
10 Year Warranty
If you want to find more about suspension kits,clicking our store.
Suspension Control Arm Control arms are installed in pairs on the front and rear axle and connect the chassis to the wheels as part of the suspension. Therefore, they have a significant influence on the driving characteristics of the vehicle. A dynamic or a comfortable driving style? The control arms are individually adjusted to the vehicle depending on the desired characteristics. They also absorb lateral movements and forces resulting from driving off and braking.
Suspension Control Arm Replacement Guideline: Control arms are installed in pairs on the front and rear axle and connect the chassis to the wheels as part of the suspension. Therefore, they have a significant influence on the driving characteristics of the vehicle. A dynamic or a comfortable driving style? The control arms are individually adjusted to the vehicle depending on the desired characteristics. They also absorb lateral movements and forces resulting from driving off and braking.
Picture(A) A defective control arm can manifest in the following ways: (1).Noise (squeaking, creaking, rumbling). (2).Deteriorating driveability. (3).Increasingly woolly and imprecise steering. (4).Uneven tyre wear. Tip:If the control arm is in working order, it is possible to only replace the defective bearings and joints. However, replacing bearings, control arm bushings and ball joints can be very complex and costly.
Picture(B) 1.First lift the vehicle using a car lift, ideally a wheel-free four-post car lift. This makes it easier to correctly tighten the control arm fixing screws. WARNING:Depending on the axle design, the control arm may need to be secured against falling with a suitable device, e.g. a transmission lifter. 2.Treat the fixing screws and nuts of the control arm with rust solvent and leave it to work for a few minutes so that they are easier to loosen. 3.On vehicles with automatic headlight levelling, it may be necessary to detach the leveling sensor from the control arm.
Picture(C) 4.If the stabilizer is connected to the control arm, the next step is to loosen and remove the corresponding stabiliser fixing screws.
5.Loosen and remove the control arm fixing screws. 6.Loosen the ball joint at the steering knuckle with a suitable special tool (e.g. a puller). 7.Remove the old control arm.
Picture(D) 8.Clean the mounting flange of the ball joint pin on the steering knuckle with sandpaper and then with brake cleaner. Otherwise single rust particles can enter the new control arm joint via the ball pin, potentially leading to premature failure of the joint.
Picture(E) 9.Fit the new control arm with the supplied accessories and attach new fixing screws and nuts.
Picture(F) 10.Reattach the stabilizer and, if applicable, the leveling sensor for headlight leveling to the control arm. NOTE:Do not tighten the fixing screws and nuts in this step, otherwise the rubber mounts will twist when the suspension compresses. This would lead to undesired preloading onf the mounts.
Picture(G) 11.Now lower the vehicle until the suspension is compressed. Depending on vehicle type, load or unload the vehicle until the required height published in the specific installation instruction is reached. This is where a wheel-free four-post car lift is advantageous, as the underside of the vehicle can still be easily accessed once lowered.
12.Tighten the fixing screws with the torque stipulated by the vehicle manufacturer. 13.Lower the vehicle all the way. 14.Measure the chassis and adjust if necessary. 15.Check and, if necessary, adjust the headlight settings on vehicles with automatic headlight leveling where the leveling sensor is attached to the control arm. 16.To conclude, test-drive the vehicle.
Frequently Asked Questions (1).What's the function of control arm?
(2).What is the significance of the control arm for the car?
(3).How to tell the quality of control arm? Look at the materials and processing of the control arm: the materials used to control the arm, common are steel and aluminum alloy. In ordinary family cars, steel control arms are very common, and the basic appeal is to meet the strength while controlling costs. In the middle and high-end models, you will see the control arm of the aluminum alloy and the wheel bearing housing. In addition to meeting the strength of the suspension, this material can further reduce the weight and reduce the weight of the suspension spring to improve the suspension response. Improve driving performance.
(4).Do I need to replace the control arm if the bushings are worn? What is the safety risk?
(5).What is the average cost of replacing control arms? Targeted Discounts Terms
(1).Targeted Discount Terms only apply to auto parts purchased from Topcn-autoparts, which only includes suspension kit, control arm, tie rod end, ball joint, sway bar, stabilizer link, pitman arm, idler arm, steering center link.
(2).If you have reached any targeted discount threshold(s), please contact our customer services after you received all your items.
(3).Targeted Discount will be refunded from buyer's payment, which means Topcn-autoparts won't provide any extra targeted discounts if full refund is issued.
Targeted Shipping Discount
(4).Since our warehouse is located in Los Angeles, California, therefore you are qualified for extra 2% targeted shipping discount off the item sales if shipping address of your order is in California(CA), Washington(WA), Oregon(OR), Nevada(NV). If you have reached this targeted shipping discount threshold, please contact our customer services after you received all your items.
Note: Item sales means your payment for the product(s) only, excluding shipping and handling charges, US internet sales taxes.
(5).We usually need a 1-2 business day as handling time for packaging and shipping scheduling. Estimated delivery dates should be 4-6 business days after your payment is received.
(6).Topcn-autoparts has the final power of interpretation of all the above Targeted Discount Terms and Procedures.
(1).Warehouse is located in Los Angeles, California, where local pickup transaction is temporarily not available.
(2).Shipping services only cover 48 states and Washington DC in US Continental, while most of the time Alaska, Hawaii, Puerto Rico, American Samoa, U.S. Virgin Islands, Northern Marianas, Guam are not deliverable.
(3).USPS PO Box, APO Army Post Office, FPO Fleet Post Office addresses are not available.
(4).Global Shipping Program is temporarily not available due to the reason for package dimensions.
(5).We usually need a 1-2 business day as handling time for packaging and shipping scheduling. Estimated delivery dates should be 4-6 business days after your payment is received.
(6).Your auto parts sometimes might be shipped with two or more separated packages due to weight limitation, please keep patient with no Item Not Received claim or Return request filed until by all of your items are received.
(7).Seller is required to purchase signature confirmation to be protected if a buyer reports an item not received or opens a payment dispute if the order has a total cost (including shipping costs and any taxes) of $750 or more.
Items valued over $15 on eBay that include a warranty or service contract must contain additional details in seller's listing description.
10 Year Warranty Terms and Procedures
(1).The warranty terms only apply to the auto parts purchased from Topcn-autoparts, which only includes suspension kit, control arm, tie rod end, ball joint, sway bar, stabilizer link, pitman arm, idler arm, steering center link.
(2).Topcn-autoparts carries no warranty responsibilities for any auto parts removing fees, installation fees, consulting fees, labor costs, towing charges, rental car reimbursements.
(3).The stated 10 year warranty is limited to only one brand new replacement for each part purchased during 10 year warranty time period.
(4).Topcn-autoparts promises free replacement due to quality defects or item not as described issues within 90 calendar days from the date when buyers receive their items in the situation when buyers are willing to provide convictive proofs or professional diagnose report if required, otherwise Topcn-autoparts has the right to refuse any replacement requests.
(5).Topcn-autoparts promises free replacement due to quality defects or item not as described issues after 90 calendar days from the date when buyers receive their items in the situation when buyers promise to prepay 15% of the original item sales price as postage for replacement, otherwise Topcn-autoparts has the right to refuse any replacement requests.
(6).Topcn-autoparts carries no warranty responsibilities for any replacement due to car accidents, drag racing, unprofessional replacement, road hazard, disassembly.
(7).Anyone who attempts to execute 10 year warranty procedures must be the original purchaser of the item(s), otherwise 10 year warranty terms void immediately.
(8).Anyone who attempts to execute 10 year warranty procedures must provide screenshot of his or her original eBay order details if required, including buyer user name, shipping address, item title, item id, final sales price.
(9).Topcn-autoparts has the final power of interpretation of the above 10 Year Warranty Terms and Procedures.
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2.All of our brand new items come with a 30-Days money-back guarantee. Copyright of Topcn-autoparts. All rights reserved. |
