Energy Suspension 3.1121 Clam Shell Type Mount Insert - See Exemptions - Gas Models ONLY

  • 3.1121 360image 1
  • 3.1121 Clam Shell Type Mount Insert - See Exemptions - Gas Models ONLY
  • 3.1121 Clam Shell Type Mount Insert - See Exemptions - Gas Models ONLY
  • 3.1121 Clam Shell Type Mount Insert - See Exemptions - Gas Models ONLY
  • 3.1121 Clam Shell Type Mount Insert - See Exemptions - Gas Models ONLY
  • 3.1121 360image large 1

Clam Shell Type Mount Insert - See Exemptions - Gas Models ONLY

Manufacturer: Energy Suspension
Part Number: 3.1121

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Black
Red

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Exclusive for DST Customers
Price: $50.16

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  • 1 - 1110 - Clam Shell Motor Mount 3 Hole
  • 3 - 15.08.53.01 - Cable Tie (7-7/8" X 5/16" H.D.)
  • 1 - 17272 - Instructions
  • Energy Suspension warrants its products against defects in workmanship and material for 7 years or 750,000 miles when used on passenger cars and light trucks. Products that have been abused, altered, or incorrectly installed are not covered. Energy Suspension will replace defective products or component parts, if inspection for factory personnel determines the part to be defective. Warranty replacement covers only the product. Labor claims, time loss, or freight charges will not be honored.

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FitmentClam Shell Type Mount Insert - See Exemptions - Gas Models ONLY 3.1121 fits these vehicles:
Details
Polyurethane Motor Mount Insert
A true performance application component for cars, trucks, hot rods and racing/competition vehicles yet designed to be also used for street vehicles!

Specific Fitment Distinctions:

Driver Side (5.0L V8, 5.7L V8)
Passenger Side (5.0L V8, 5.7L V8)

  • 1988-1989 Chevrolet C1500
  • 1994-1998 Chevrolet C1500
  • 1988-1991 Chevrolet C2500
  • 1994-1995 Chevrolet C2500
  • 1997 Chevrolet C2500
  • 1993-1998 Chevrolet K1500
  • 1988-1998 GMC C1500
  • 1988-1998 GMC C2500
  • 1992-1998 GMC K1500
1990-1992 Chevrolet C1500
  • Driver Side (5.0L V8, 5.7L V8) Submodels: Cheyenne, Scottsdale, Silverado, WT
  • Passenger Side (5.0L V8, 5.7L V8) Submodels: Cheyenne, Scottsdale, Silverado, WT
1993 Chevrolet C1500
  • Driver Side (5.0L V8, 5.7L V8) Submodels: Cheyenne, Silverado, WT
  • Passenger Side (5.0L V8, 5.7L V8) Submodels: Cheyenne, Silverado, WT

Driver Side (7.4L V8)
Passenger Side (7.4L V8)

  • 1985-1986 Chevrolet C20
  • 1985-1986 Chevrolet C30
  • 1980 Chevrolet K10
  • 1987-1988 Chevrolet R20 Suburban
  • 1989-1991 Chevrolet R2500 Suburban
  • 1987-1988 Chevrolet V20 Suburban
  • 1990 Chevrolet V2500 Suburban
  • 1985-1986 GMC C2500
  • 1985-1986 GMC C3500
  • 1980 GMC K1500
  • 1979-1986 GMC K3500
  • 1987-1991 GMC R2500 Suburban
  • 1987 GMC V3500
1992-1993 Chevrolet C2500
1996 Chevrolet C2500
1998 Chevrolet C2500
  • Driver Side (5.0L V8)
  • Driver Side (5.7L V8, GAS)
  • Passenger Side (5.0L V8)
  • Passenger Side (5.7L V8, GAS)
1999 Chevrolet C2500
  • Driver Side (5.0L V8)
  • Passenger Side (5.0L V8)

Driver Side (5.7L V8)
Passenger Side (5.7L V8)

  • 1992-1999 Chevrolet C2500 Suburban
  • 1988-1996 Chevrolet C3500
  • 1988 Chevrolet R20
  • 1988 Chevrolet R30
  • 1989-1991 Chevrolet R3500
  • 1993-1999 GMC C2500 Suburban
  • 1988-1997 GMC C3500
  • 1988-1989 GMC R2500
  • 1988-1991 GMC R3500

Driver Side (5.7L V8, GAS)
Passenger Side (5.7L V8, GAS)

  • 1997-1998 Chevrolet C3500
  • 1998 GMC C3500

Driver Side (5.0L V8, 5.7L V8, 6.2L V8)
Passenger Side (5.0L V8, 5.7L V8, 6.2L V8)

  • 1988-1992 Chevrolet K1500
  • 1988-1990 Chevrolet K2500
  • 1988-1991 GMC K1500
  • 1988-1990 GMC K2500

Driver Side (5.0L V8, 5.7L V8, 6.2L V8, 7.4L V8)
Passenger Side (5.0L V8, 5.7L V8, 6.2L V8, 7.4L V8)

  • 1991 Chevrolet K2500
  • 1991 GMC K2500
1992-1993 Chevrolet K2500
  • Driver Side (5.0L V8, 7.4L V8)
  • Driver Side (5.7L V8, GAS)
  • Passenger Side (5.0L V8, 7.4L V8)
  • Passenger Side (5.7L V8, GAS)

Driver Side (5.0L V8, 5.7L V8, 7.4L V8)
Passenger Side (5.0L V8, 5.7L V8, 7.4L V8)

  • 1994-1995 Chevrolet K2500
  • 1998 Chevrolet K2500
  • 1992-1995 GMC K2500
  • 1998 GMC K2500
1996 Chevrolet K2500
  • Driver Side (5.7L V8, GAS)
  • Driver Side (7.4L V8)
  • Passenger Side (5.7L V8, GAS)
  • Passenger Side (7.4L V8)

Driver Side (5.7L V8, 7.4L V8)
Passenger Side (5.7L V8, 7.4L V8)

  • 1997 Chevrolet K2500
  • 1999-2000 Chevrolet K2500
  • 1992-2000 Chevrolet K3500
  • 1996-1997 GMC K2500
  • 1999-2000 GMC K2500
1989 Chevrolet R2500
  • Driver Side (5.7L V8, Silverado)
  • Passenger Side (5.7L V8, Silverado)
1988 Chevrolet V30
  • Driver Side (5.7L V8, 6.2L V8)
  • Passenger Side (5.7L V8, 6.2L V8)

Driver Side (6.2L V8)
Passenger Side (6.2L V8)

  • 1988-1991 GMC K3500
  • 1988-1991 GMC V3500
Polyurethane Motor Mount insert
  • A true performance application component for cars, trucks, hot rods and racing/competition vehicles yet designed to be also used for street vehicles! Assemble to the chassis the same way as OEM parts.
  • Soft-running enough to absorb vibrations for street use yet rugged for racing use.
  • When required a torque resistant (safety interlock) design is used that is comparable in strength to those too hard-running metal mounts!
  • Replaces the original, short lived and typically too soft rubber mounts and outdates those hard running metal motor mounts.
  • Made of HYPER FLEX performance polyurethane.
  • Resistant to under vehicle fluids such as: oils, coolants, road contaminants, etc.
Footnotes
  • No Footnotes From Energy Suspension

Energy Suspension Motor Mount Inserts

Energy Suspension's motor mount inserts are crafted out of Hyperflex polyurethane, a material much more durable than rubber that can handle the intense weight, heat, and pressure. Designed to fill the voids built into your OE motor mounts, these inserts will drastically increase the power transfer efficiency from your engine to the wheels. Since the voids were initially put there to reduce NVH, it stands to reason that filling in those voids will have the opposite effect. Installing Energy Suspension's Hyperflex motor mount inserts may increase your NVH, but the increase to overall performance is worth it to some drivers. To top it off, all of Energy's motor mount inserts are covered by a two-year warranty handled in-house here at DST.

energy box
OE Motor Mount

The OE Motor Mount

OE motor mounts are usually made out of metal with holes strategically placed to keep most of the engine's vibrations from traveling to the cab. While the OE mounts are decent for the daily driver, the weekend warrior or straight up racer will probably look for an upgrade. Purchasing entire motor mounts can be rather pricey, but what other choices do these drivers have? Energy Suspension's Hyperflex Polyurethane motor mount inserts offer the performance boost of a solid motor mount without the higher cost.

Energy Suspension 3.1121

Product Reviews for

5 Star (5)
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4 Star (0)
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Energy Suspension 3.1121

5 out of 5 based on 5 user reviews. Write a Review

J
verified_user

starstarstarstarstar" Great Product "

Install was easier than expected. So far they have been holding up good. Love that it fills space and motor mount bracket. Next will be tranny mount.

verified_user Verified Buyer - Jose Carranza - . Energy Suspension 3.1121 - 5 out of 5
R
verified_user

starstarstarstarstar" Sure like everything that I have purchased for my truck. "

I have a 96 GMC pickup and I started with the suspension Package and just got some new motor mounts. I installed the right side and just now moved the front Diff.out of the way so I can get the left side mounted. \nYour products are easy to install and the instructions easy to follow even for a 75 year old. Between VA appointments Im getting it done and will let you know how it all works out. I know that I will enjoy it.

verified_user Verified Buyer - Ron Binnie - . Energy Suspension 3.1121 - 5 out of 5
R
verified_user

starstarstarstarstar" Sure like everything that I have purchased for my truck. "

I have a 96 GMC pickup and I started with the suspension Package and just got some new motor mounts. I installed the right side and just now moved the front Diff.out of the way so I can get the left side mounted. \nYour products are easy to install and the instructions easy to follow even for a 75 year old. Between VA appointments Im getting it done and will let you know how it all works out. I know that I will enjoy it.

verified_user Verified Buyer - Ron Binnie - . Energy Suspension 3.1121 - 5 out of 5
R
verified_user

starstarstarstarstar" Sure like everything that I have purchased for my truck. "

I have a 96 GMC pickup and I started with the suspension Package and just got some new motor mounts. I installed the right side and just now moved the front Diff.out of the way so I can get the left side mounted. \nYour products are easy to install and the instructions easy to follow even for a 75 year old. Between VA appointments Im getting it done and will let you know how it all works out. I know that I will enjoy it.

verified_user Verified Buyer - Ron Binnie - . Energy Suspension 3.1121 - 5 out of 5

Fitment for 3.1121
YearsMakeModelSubModelPositionEngine BaseFuel Type
1988 - 1989, 1994 - 1998ChevroletC1500Driver Side, Passenger Side5.0L V8, 5.7L V8
1990 - 1992ChevroletC1500Cheyenne, Scottsdale, Silverado, WTDriver Side, Passenger Side5.0L V8, 5.7L V8
1993ChevroletC1500Cheyenne, Silverado, WTDriver Side, Passenger Side5.0L V8, 5.7L V8
1985 - 1986ChevroletC20Driver Side, Passenger Side7.4L V8
1992 - 1999ChevroletC2500 SuburbanDriver Side, Passenger Side5.7L V8
1988 - 1991, 1994 - 1995, 1997ChevroletC2500Driver Side, Passenger Side5.0L V8, 5.7L V8
1992 - 1993, 1996, 1998ChevroletC2500Driver Side, Passenger Side5.0L V8, 5.7L V8GAS
1999ChevroletC2500Driver Side, Passenger Side5.0L V8
1985 - 1986ChevroletC30Driver Side, Passenger Side7.4L V8
1988 - 1996ChevroletC3500Driver Side, Passenger Side5.7L V8
1997 - 1998ChevroletC3500Driver Side, Passenger Side5.7L V8GAS
1980ChevroletK10Driver Side, Passenger Side7.4L V8
1988 - 1992ChevroletK1500Driver Side, Passenger Side5.0L V8, 5.7L V8, 6.2L V8
1993 - 1998ChevroletK1500Driver Side, Passenger Side5.0L V8, 5.7L V8
1999ChevroletK1500Driver Side, Passenger Side
1988 - 1990ChevroletK2500Driver Side, Passenger Side5.0L V8, 5.7L V8, 6.2L V8
1991ChevroletK2500Driver Side, Passenger Side5.0L V8, 5.7L V8, 6.2L V8, 7.4L V8
1992 - 1993ChevroletK2500Driver Side, Passenger Side5.0L V8, 5.7L V8, 7.4L V8GAS
1994 - 1995, 1998ChevroletK2500Driver Side, Passenger Side5.0L V8, 5.7L V8, 7.4L V8
1996ChevroletK2500Driver Side, Passenger Side5.7L V8, 7.4L V8GAS
1997, 1999 - 2000ChevroletK2500Driver Side, Passenger Side5.7L V8, 7.4L V8
1988 - 1991ChevroletK3500Driver Side, Passenger Side
1992 - 2000ChevroletK3500Driver Side, Passenger Side5.7L V8, 7.4L V8
1987 - 1988ChevroletR20 SuburbanDriver Side, Passenger Side7.4L V8
1988ChevroletR20Driver Side, Passenger Side5.7L V8
1989 - 1991ChevroletR2500 SuburbanDriver Side, Passenger Side7.4L V8
1989ChevroletR2500SilveradoDriver Side, Passenger Side5.7L V8
1988ChevroletR30Driver Side, Passenger Side5.7L V8
1989 - 1991ChevroletR3500Driver Side, Passenger Side5.7L V8
1987 - 1988ChevroletV20 SuburbanDriver Side, Passenger Side7.4L V8
1990ChevroletV2500 SuburbanDriver Side, Passenger Side7.4L V8
1988ChevroletV30Driver Side, Passenger Side5.7L V8, 6.2L V8
1989 - 1991ChevroletV3500Driver Side, Passenger Side
1988 - 1998GMCC1500Driver Side, Passenger Side5.0L V8, 5.7L V8
1992GMCC2500 SuburbanDriver Side, Passenger Side
1993 - 1999GMCC2500 SuburbanDriver Side, Passenger Side5.7L V8
1985 - 1986GMCC2500Driver Side, Passenger Side7.4L V8
1988 - 1998GMCC2500Driver Side, Passenger Side5.0L V8, 5.7L V8
1985 - 1986GMCC3500Driver Side, Passenger Side7.4L V8
1988 - 1997GMCC3500Driver Side, Passenger Side5.7L V8
1998GMCC3500Driver Side, Passenger Side5.7L V8GAS
1980GMCK1500Driver Side, Passenger Side7.4L V8
1988 - 1991GMCK1500Driver Side, Passenger Side5.0L V8, 5.7L V8, 6.2L V8
1992 - 1998GMCK1500Driver Side, Passenger Side5.0L V8, 5.7L V8
1999GMCK1500Driver Side, Passenger Side
1988 - 1990GMCK2500Driver Side, Passenger Side5.0L V8, 5.7L V8, 6.2L V8
1991GMCK2500Driver Side, Passenger Side5.0L V8, 5.7L V8, 6.2L V8, 7.4L V8
1992 - 1995, 1998GMCK2500Driver Side, Passenger Side5.0L V8, 5.7L V8, 7.4L V8
1996 - 1997, 1999 - 2000GMCK2500Driver Side, Passenger Side5.7L V8, 7.4L V8
1979 - 1986GMCK3500Driver Side, Passenger Side7.4L V8
1988 - 1991GMCK3500Driver Side, Passenger Side6.2L V8
1987 - 1991GMCR2500 SuburbanDriver Side, Passenger Side7.4L V8
1988 - 1989GMCR2500Driver Side, Passenger Side5.7L V8
1988 - 1991GMCR3500Driver Side, Passenger Side5.7L V8
1987GMCV3500Driver Side, Passenger Side7.4L V8
1988 - 1991GMCV3500Driver Side, Passenger Side6.2L V8
Materials, color & finish
Bushing MaterialPolyurethane
Bushing ColorBlack
Red
What's included
Mounting Hardware IncludedNo
Mounting Bracket IncludedNo

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  • Bushing Material: Polyurethane

question_answer Customer Questions and Answers


Question:
Do you have instructions on the part 3.1121?
Answer:
Yes, Instructions can be found here https://www.energysuspensionparts.com/installation_instructions/energy_suspension/17272.pdf.