Dont just buy replacement suspension parts for your Gmc K15 1975, buy the absolutely BEST Gmc K15 1975 suspension parts. At Suspension.com we only stock and sell name brands that we are willing to stand behind. You can find the best suspension parts for your Gmc K15 1975 at the best prices at Suspension.com. So whether you need to replace your worn and sagging suspension bushings with performance replacements, or you are upgrading your OE suspension with larger sway bars and sway bar bushings - Suspension.com is where you'll find them.
The two different colors are essentially the same at a formula level. Some black components are graphite impregnated as a self-lubricating agent, but overall they are the same part. Graphite is not added to the red formula simply because it changes the color of the bushing.
Bushing hardness by color?
The Durometer (or hardness) of red and black bushings are the same for that position. The different colors do not indicate a higher or lower durometer.
Why buy red bushings?
Red or black bushings is almost entirely an aesthetic choice, there is no real functional difference between the two. Some who drive their vehicles especially hard (track, rally, etc.) sometimes use red bushings because it is easier to see any damage that the bushing might have suffered from extreme conditions.
Are there other bushing colors?
Energy Suspension used to have Yellow and Blue options but they stopped producing components in these colors a long time ago and they are no longer available on the market.
Special Order Terms
Special Order Details
"Prothane"
This part is not stocked at any of our warehouses. However we
can have the part shipped directly to you from the manufacturer Prothane.
Special Order Fees:
We will pay all special order fees. Purchasing a special order part will
not cost you any more than if we had stocked it.
Domestic Orders:
For all orders shipping to the United States - the part will ship
directly to you from the manufacturer. If you've purchased other parts
along with a special order part, we will send them all in one single
shipment.
International Orders:
For all orders shipping outside the United States, this part will be
shipped directly to our forwarding office. We will fill out the necessary
paperwork and forward the part on to you via your selected shipping option.
If you've purchased other non special order parts - your entire order will
wait to ship until this part has arrived.
Returns
Special Order parts do not qualify for returns. If you purchase a
special order part we will not be able to assist you with a return. If your
special order part is damaged, or missing a piece we will assist you in
promptly receiving the correct order.
Color
Prothane Red vs Black
Black, or Red? Red, or Black?
Prothane makes bushings in both colors. But is there a difference in them? Is one harder than the other? There are a lot of misconceptions about the color difference in Prothane's bushings, so let us at DST clear that up for you.
How are these two colors different?
Aside from the actual color, there isn't really a difference at all between the red and the black. They are the same durometer, or hardness, so they will perform the same and both should last the life of your vehicle.
What about the graphite rumor?
The black bushings do have a small amount of graphite mixed in with the polyurethane which has the potential to help with squeaking. But really, the best way to prevent Prothane bushings from squeaking is to use the supplied pre-lube* and grease them properly at install. So whether you choose the red, or the black, just be sure to grease them properly to avoid any squeaking.
* Some types of bushings only compress, such as body mounts and endlinks, and do not come with grease because they do not need grease. So if your kit comes with grease, be sure to use it!
Color
Prothane Red vs Black
Black, or Red? Red, or Black?
Prothane makes bushings in both colors. But is there a difference in them? Is one harder than the other? There are a lot of misconceptions about the color difference in Prothane's bushings, so let us at DST clear that up for you.
How are these two colors different?
Aside from the actual color, there isn't really a difference at all between the red and the black. They are the same durometer, or hardness, so they will perform the same and both should last the life of your vehicle.
What about the graphite rumor?
The black bushings do have a small amount of graphite mixed in with the polyurethane which has the potential to help with squeaking. But really, the best way to prevent Prothane bushings from squeaking is to use the supplied pre-lube and grease them properly at install. So whether you choose the red, or the black, just be sure to grease them properly to avoid any squeaking.
What does Special Order mean?
Special Order Details
Prothane - In Stock in Black Only
This part is currently only in stock in Black. However we can have the part shipped directly to you from the manufacturer Prothane in the color Red if you would like. Special orders from Prothane typically arrive within 4-8 weeks.
Special Order Fees:
We will pay all special order fees. Purchasing a special order part will not cost you any more than if we had stocked it.
Domestic Orders:
For all orders shipping to the United States - the part will ship directly to you from the manufacturer. If you've purchased other parts along with a special order part, we will pay the additional shipping costs to ship the rest of your order immediately. Essentially we will give you combined shipping despite the fact that we will be making 2 shipments.
International Orders:
For all orders shipping outside the United States, this part will be shipped directly to our forwarding office. We will fill out the necessary paperwork and forward the part on to you via your selected shipping option. If you've purchased other non special order parts - your entire order will wait to ship until this part has arrived.
Returns
Special Order parts do not qualify for returns. If you purchase a special order part we will not be able to assist you with a return. If your special order part is damaged, or missing a piece we will assist you in promptly receiving the correct order.
Special-Order-Terms
Special Order Details
"Moog"
This part is currently not stocked at any of our warehouses. However we
can have the part shipped directly to you from the manufacturer Moog.
Special Order Fees:
We will pay all special order fees. Purchasing a special order part will
not cost you any more than if we had stocked it.
Domestic Orders:
For all orders shipping to the United States - the part will ship
directly to you from the manufacturer. If you've purchased other parts
along with a special order part, we will send them all in one single
shipment.
International Orders:
For all orders shipping outside the United States, this part will be
shipped directly to our forwarding office. We will fill out the necessary
paperwork and forward the part on to you via your selected shipping option.
If you've purchased other non special order parts - your entire order will
wait to ship until this part has arrived.
Returns
Special Order parts do not qualify for returns. If you purchase a
special order part we will not be able to assist you with a return. If your
special order part is damaged, or missing a piece we will assist you in
promptly receiving the correct order.
Terms and Details Acceptance
If you select "Not Accepted" we will not send you these parts. Your
order will be cancelled and refunded.
Free Lifetime Warranty Upgrade
Putting the Icing on the Cake
Energy Suspension offers a 7 year warranty for every part they make. But we know the quality of these parts deserves the peace of mind that a Lifetime Warranty provides. Exclusively for DST customers, we offer a FREE upgrade to a Lifetime Warranty handled directly thru us. No strings, no hassles, no receipts needed.
This part is currently not stocked at any of our warehouses. However we
can have the part shipped directly to you from the manufacturer SPC. Special orders from SPC typically ship within 5-8
weeks.
Special Order Fees:
We will pay all special order fees. Purchasing a special order part will
not cost you any more than if we had stocked it.
Domestic Orders:
For all orders shipping to the United States - the part will ship
directly to you from the manufacturer. If you've purchased other parts
along with a special order part, we will send them all in one single
shipment.
International Orders:
For all orders shipping outside the United States, this part will be
shipped directly to our forwarding office. We will fill out the necessary
paperwork and forward the part on to you via your selected shipping option.
If you've purchased other non special order parts - your entire order will
wait to ship until this part has arrived.
Returns
Special Order parts do not qualify for returns. If you purchase a
special order part we will not be able to assist you with a return. If your
special order part is damaged, or missing a piece we will assist you in
promptly receiving the correct order.
Terms and Details Acceptance
If you select "Not Accepted" we will not send you these parts. Your
order will be cancelled and refunded.
Special Order Terms
Upgraded Front and Rear Shocks?
Monroe offers multiple upgrade options over the standard shock absorber.
Monroe load adjusting shock absorbers feature a heavy gauge calibrated spring to rapidly adjust to changing road conditions and reduce vehicle sag when up to 1,200 lbs of additional weight is added.
Monroe Max-Air air shocks can be inflated or deflated as needed, up to 150 PSI, to maintain ride height when under load with additional weight up to 1,200 lbs.
Yes - Upgraded Rear Coil Spring Assisted Shocks
Includes
Qty 1
Rear Shock Absorber and Coil Spring Assembly - Monroe
monroe-58578
Replaces (removed from the base kit)
Qty 2
Rear Shock Absorber - Monroe OE Spectrum
monroe-37041
Yes - Upgraded Rear Air Assisted Shocks
Includes
Qty 1
Rear Shock Absorber - Monroe Max-Air
monroe-ma743
Replaces (removed from the base kit)
Qty 2
Rear Shock Absorber - Monroe OE Spectrum
monroe-37041
Yes - Upgraded Front Coil Spring Assisted Shocks
Includes
Qty 1
Front Shock Absorber and Coil Spring Assembly - Monroe
monroe-58552
Replaces (removed from the base kit)
Qty 2
Front Shock Absorber - Monroe OE Spectrum
monroe-37040
Yes - Upgraded Front and Rear Coil Spring Assisted Shocks
Includes
Qty 1
Rear Shock Absorber and Coil Spring Assembly - Monroe
monroe-58578
Qty 1
Front Shock Absorber and Coil Spring Assembly - Monroe
monroe-58552
Replaces (removed from the base kit)
Qty 2
Rear Shock Absorber - Monroe OE Spectrum
monroe-37041
Qty 2
Front Shock Absorber - Monroe OE Spectrum
monroe-37040
Yes - Upgraded Front Coil Spring Assisted Shocks and Rear Air Assisted Shocks
Includes
Qty 1
Rear Shock Absorber - Monroe Max-Air
monroe-ma743
Qty 1
Front Shock Absorber and Coil Spring Assembly - Monroe
