20 Best Tonneau Cover Shock in 2024 Reviews and Buying Guide

3,009 (rnd) Reviews Scanned

# Preview Product Rating
1 8M80 ST270M80 27 Inch 80Lbs/356N Gas Struts Spring Lift Support Shocks for Heavy Duty Tonneau Cover... 8M80 ST270M80 27 Inch 80Lbs/356N Gas Struts Spring Lift Support Shocks for Heavy Duty Tonneau... No ratings yet
2 C1608054 20' Gas Prop Spring Strut 20 inch 100 Lb Per Shock C16-08054 for Camper Shell RV Bed... C1608054 20" Gas Prop Spring Strut 20 inch 100 Lb Per Shock C16-08054 for Camper Shell RV Bed... No ratings yet
3 ARANA ST270EDI2-45 Gas Struts 27 inch 45lbs/200N Gas Shocks Spring Undercover Replacement Lift... ARANA ST270EDI2-45 Gas Struts 27 inch 45lbs/200N Gas Shocks Spring Undercover Replacement Lift...
4 20 inch 100 lb Gas Struts for Heavy Lid: C16-08054 Easy to Install Strong Gas Shocks Lift Supports... 20 inch 100 lb Gas Struts for Heavy Lid: C16-08054 Easy to Install Strong Gas Shocks Lift... No ratings yet
5 Vepagoo ML28100 30.9in 100Lb/445N Lift Support Gas Shock Strut Spring for Truck Bed Tonneau Cover... Vepagoo ML28100 30.9in 100Lb/445N Lift Support Gas Shock Strut Spring for Truck Bed Tonneau Cover... No ratings yet
6 ARANA 17 inch 120 LB Gas Prop Struts Shocks, 17' 534 N Gas Springs for Heavy-Duty are Leer Truck... ARANA 17 inch 120 LB Gas Prop Struts Shocks, 17" 534 N Gas Springs for Heavy-Duty are Leer Truck... No ratings yet
7 2 Truck Upfitters 26.5' Gas Props Compatible with Snuglid SL & F2 Pickup Truck Shortbed Tonneau... 2 Truck Upfitters 26.5" Gas Props Compatible with Snuglid SL & F2 Pickup Truck Shortbed Tonneau...
8 HUOPO 100-175 28 inch 200 lb 890 N Gas Strut Shock 28' Lift Support for Tonneau Cover Snowmobile... HUOPO 100-175 28 inch 200 lb 890 N Gas Strut Shock 28" Lift Support for Tonneau Cover Snowmobile... No ratings yet
9 ST270M80 27 inch Gas Strut 80 lbs 400 N Per Shock, 27' Gas Spring Prop Lift for Trailer Hatch Door... ST270M80 27 inch Gas Strut 80 lbs 400 N Per Shock, 27" Gas Spring Prop Lift for Trailer Hatch... No ratings yet
10 Vepagoo 20 inch 120lb/534N Gas Strut Shock Spring Lift Support for Tonneau Cover RV Door Bed Boat... Vepagoo 20 inch 120lb/534N Gas Strut Shock Spring Lift Support for Tonneau Cover RV Door Bed Boat...
11 Euplokeer Qty (2) Heavy Duty C16-08055 20in Gas Strut Shock Spring - 120lb/534N - Pickup Truck Leer... Euplokeer Qty (2) Heavy Duty C16-08055 20in Gas Strut Shock Spring - 120lb/534N - Pickup Truck... No ratings yet
12 C16-08053 Lgp8-200-80 20 inch 80lb/356N Gas Strut Shock Spring Lift Support for RV Bed, Underbed... C16-08053 Lgp8-200-80 20 inch 80lb/356N Gas Strut Shock Spring Lift Support for RV Bed, Underbed... No ratings yet
13 Set of 2 Tonneau Convertible Cover Deck Lid Lift Support Struts Gas Spring Shock for Chevrolet... Set of 2 Tonneau Convertible Cover Deck Lid Lift Support Struts Gas Spring Shock for Chevrolet...
14 Vepagoo 27in 90lb/400N Gas Strut Shock Lift Support Replacement for Truck Bed Cover Undercover... Vepagoo 27in 90lb/400N Gas Strut Shock Lift Support Replacement for Truck Bed Cover Undercover... No ratings yet
15 2 Pcs 16 Inch 38lbs/169N Gas Strut Spring Shock for Tonneau RV Side Window Leer are Tonneau Cover... 2 Pcs 16 Inch 38lbs/169N Gas Strut Spring Shock for Tonneau RV Side Window Leer are Tonneau Cover... No ratings yet
16 Dukuge MR100457 25 inch 100lbs/449N Per Gas Strut Shock Spring Lift Support for Tonneau Cover Pickup... Dukuge MR100457 25 inch 100lbs/449N Per Gas Strut Shock Spring Lift Support for Tonneau Cover... No ratings yet
17 Vepagoo SE1024M80B1 4567 26.32in 85Lb/378N Snugtop Snuglid Tonneau Cover Replacement Lift Support,... Vepagoo SE1024M80B1 4567 26.32in 85Lb/378N Snugtop Snuglid Tonneau Cover Replacement Lift... No ratings yet
18 28 inch 200 Lb (889 N) Gas Struts Spring Shocks 28 in Lift Support for Floor Hatch Door Heavy Lids... 28 inch 200 Lb (889 N) Gas Struts Spring Shocks 28 in Lift Support for Floor Hatch Door Heavy... No ratings yet
19 ARANA Gas Struts 20 inch 135 Lbs, 20 inch Gas Struts for Heavy Lid, 20' Gas Shocks Spring Lift... ARANA Gas Struts 20 inch 135 Lbs, 20 inch Gas Struts for Heavy Lid, 20" Gas Shocks Spring Lift... No ratings yet
20 Lift Supports Depot Qty (2) PM2048 SE1200M80BL 4568 Tonneau Cover Lift Supports 29.50 Inch Extended... Lift Supports Depot Qty (2) PM2048 SE1200M80BL 4568 Tonneau Cover Lift Supports 29.50 Inch... No ratings yet

Bestseller No. 1
8M80 ST270M80 27 Inch 80Lbs/356N Gas Struts Spring Lift Support Shocks for Heavy Duty Tonneau Cover...
  • ♦️GAS Struts PARAMETER♦️ Force: 80 Pound 27 Inch per Strut, a pair of 2 shocks. Extended Length( hole to hole): 27.0”, Compressed Length(...
  • ♦️27 INCH GAS SHOCKS♦️ Interchange number: 3561YU,GR11.8M80,GR118M80,J87253,ST270M80.
  • ♦️80Lbs GAS STRUT♦️ Suitable for Camper Shell, Truck Topper Window, Leer ARE ATC Camper Topper, Rear Window, Truck Topper Bed and so on. Your...
  • ♦️PREMIUM 27 INCH GAS STRUTS♦️ Our products are suitable for various harsh weather environments such as outdoor heavy rain and minus 104℉....
  • ♦️Package contents♦️ 2Pcs* 27inch Gas Struts, 1Pc*Installation Manual. Welcome guide and friendly customer service.
Bestseller No. 2
C1608054 20" Gas Prop Spring Strut 20 inch 100 Lb Per Shock C16-08054 for Camper Shell RV Bed...
  • ✅ ARANA 20 inch Gas Struts C1608054 Lift Supports -- 2Pcs Set Force 100 Pounds 445N Gas Shocks , most SUITABLE support weight for 2 STRUTS is 85lbs...
  • ✅ ARANA 20 Inch 100 Lbs Gas Spring Shocks -- Extended Length A [in]: 19.7(500mm), Compressed Length B [in]: 11.8(300mm), Interchange number: 6939,...
  • ✅ C16-08054 Gas Props 20inch -- Direct replacement struts for RV bed, motorhome bed, tanning bed, camper bed, travel trailer bed mattress, queen...
  • ✅ ARANA C1608054 100 lb Lift Supports -- Customer will also use them on tonneau cover, heavy camper shell roof, tv cabinet door, trailer window,...
  • ✅100% Satisfaction Service -- 18 Months Support comes with every ARANA product; If any questions before purchasing or dissatisfactions after...
SaleBestseller No. 3
ARANA ST270EDI2-45 Gas Struts 27 inch 45lbs/200N Gas Shocks Spring Undercover Replacement Lift...
  • Direct Replacement: Compatible with the following OEM Numbers:...
  • Multi-scenario Usage: used as the replacement parts of the tonneau cover undercover bedcover for Pickup Truck, easy to install without any special...
  • Detailed Parameters: Extended length A (Center-to-Center): 26.97 inch (685mm), compressed length B (Center-to-Center): 15.17 inch (385mm); Force 45lb...
  • Package Content: 2× Shocks, 4× Ball studs, 1× Installation Guide are included in each set; If any missing, please message us for new package...
  • 18-Month Support: once you need any installation guide, welcome to message us for in-time help; if there are any product defects, unfit problem or...
Bestseller No. 4
20 inch 100 lb Gas Struts for Heavy Lid: C16-08054 Easy to Install Strong Gas Shocks Lift Supports...
  • Related Parameters: 100 pounds 445N per gas shock lift support, compressed Length: 11.8in (300mm), extended Length: 19.7in (500mm), Interchange...
  • Easy to Instal: 20 inch gas strut contains 4 pcs 10MM ball socket studs, 4 washers and 2 gas struts. Without any special tools required, you can...
  • Wide Applications: DoHonest RV bed lift kit is perfect for variety of replacement parts including tonneau cover, RV beds, storage beds, tool box,...
  • Precision Processing: QPQ surface treatment produces a matte black finish and is more wear-resistant, corrosion-resistant, smoother to operate, and...
  • Good Sealing Performance: The thickened sealing ring prevents air and oil leakage, and with the added protective cover, the durability is...
Bestseller No. 5
Vepagoo ML28100 30.9in 100Lb/445N Lift Support Gas Shock Strut Spring for Truck Bed Tonneau Cover...
  • 【Truck Tonneau Cover Lift Support】30.9 inches 100 lb/445 N Lift support compatible with pickup bed tonneau cover, undercover, truck bed cover
  • 【Interchange Number】8831QJ, ML28100, ML28-100, ML-28-100, SL28100, SL28-100, SL-28100, SL-28-100, SL281001, SL28-100-1, SL-281001, SL-28-100-1,...
  • 【Product Parameter】Extended Length [in] 30.9, Compressed Length [in] 17.1. Connection: Ball Socket (Steel)=10 mm. Force(Lbs): 100 per strut
  • 【For DIY Project】For DIY projects, e.g. RV outside Door, RV Cabinet Door, Heavy-duty Trap Door, Outdoor TV Cabinet, Shed Window. Please measure...
  • [12+1 Month Product Service] welcome to click "ask seller" beside your order for in-time assistance if any problem occurs
Bestseller No. 6
ARANA 17 inch 120 LB Gas Prop Struts Shocks, 17" 534 N Gas Springs for Heavy-Duty are Leer Truck...
  • 120 Lbs 17inch Gas Struts - Extended Length: 17.1"(434 mm), Compressed Length: 10.8"(274 mm), Package include: 2× Shocks, 4× Ball Studs, 1×...
  • 17 inch 120 lbs Lift Support Struts -- 2Pcs shocks include, Force 120lbs Per Strut, 240lbs Per Pair. Most suitable SUPPORT weight for ONE pair is...
  • 17 inch 120 pound Gas Props -- You can use the gas spring on your heavy-duty ARE Leer. truck pickup, heavy bed platform, tonneau Cover, RV queen/king...
  • 17"120lb Gas Shocks --If you want to use these struts on other custom-built lids, please measure the lid weight and ensure they are between 90 pounds...
  • 18 Months Replacement/Refund Support-- If you unluckily encounter with missing parts, broken ball connectors, unfit problem or you find the struts...
Bestseller No. 7
2 Truck Upfitters 26.5" Gas Props Compatible with Snuglid SL & F2 Pickup Truck Shortbed Tonneau...
  • CHECK YOUR LENGTHS AND PRESSURE BEFORE ORDERING. THESE ARE NOT COMPATIBLE WITH ALL SNUGLID TONNEAU COVERS! THE MEASUREMENTS ARE FROM CENTER OF BALL...
  • Truck Upfitters Pair (2 total) of 80 pound (each) gas struts. 26.5" extended length and 15.4" compressed length. Most commonly used and compatible...
  • These are not compatible with all Snuglid fiberglass tonneau models (they do NOT fit ANY SL2 or RL models). Measure your strut from center of socket...
  • Comes with four threaded 13mm ball mounts and nuts for alternate 'other than tonneau cover' applications, such as in RV doors and awnings, boat hatch...
  • Compatible with some (but not all) Snuglid SL and F2 Shortbed and Extrashort bed (5.5-6.5') Truck Tonneau Covers with single lift arms (see picture)....
Bestseller No. 8
HUOPO 100-175 28 inch 200 lb 890 N Gas Strut Shock 28" Lift Support for Tonneau Cover Snowmobile...
  • 【28 Inch Gas Strut Replacement Part】 28 inch gas struts spring can be used to custom window, snowmobile trailer, rv bed, heavy door, house roof...
  • 【28 Gas Struts Specifications】 28 Inch 200 lb Force:890 N Gas Struts Shocks . Extended Length 28 inch. Compressed Length 16.5 inch. The 28 inch...
  • 【28 Inch Gas Shock Interchange Number】 Find the below Interchange number on your OEM gas shock cylinders for a exact match: 100-175 100-200 12161...
  • 【28" Gas Strut Package Content】Package contains 28 inch gas struts X 2, Ball Stud X 4, Nut X 4, Installation Guide X1. Installation with a flat...
  • 【About Support】 HUOPO offer a 13 month replacement service. Let us know your concerns about HUOPO products. Contact us via Amazon Mail. Our...
Bestseller No. 9
ST270M80 27 inch Gas Strut 80 lbs 400 N Per Shock, 27" Gas Spring Prop Lift for Trailer Hatch Door...
  • [Parameter]: Extended length: 27.01 Inch, Compressed length: 14.92 Inch. 80Lb per strut, 2 PACK. PACKAGE INFORMATION: 27 inch 80 lbs Gas Strut Spring...
  • [OEM Number]: ST270M80, ST-270M80, Suitable for 65-88 lbs weight application. NOTE: The gas struts can not be compressed by hands before installation
  • [Use Scenarios]: 80 Lb struts Used for Truck Undercover Tonneau Cover, Pick-up Bed Cover, Trailer Door, Boat Engine Cover, Cellar Door, Outdoor TV...
  • [About Install]: Easy to install without any special tools requiredm, We have gas strut installation online service and installation manual to guide...
  • [Don't Worry]: PAMAGOO will provide you with professional customer service before and after your purchase and offer 18-MONTHS support
SaleBestseller No. 10
Vepagoo 20 inch 120lb/534N Gas Strut Shock Spring Lift Support for Tonneau Cover RV Door Bed Boat...
  • Specification: Gas Strut Extension Length: 19.69in, Compression Length: 12.2in, Force: 120lb. End hole diameter is 10mm. Please note: Mounting...
  • Gas Spring 20 inch Interchange Number: 021155, 78327, C1608055, C16-08055, TAG 78327. If your interchange number is consistent with the above, then...
  • Durability: gas shock 20 inch with QPQ processing offers superior durability and multiple oil seals. Please note: 534N of pressure (approx. 54.4kg) is...
  • Multiple applications: Lift Support 20 inch are available in a variety of applications. You can use it for Tonneau Cover, Rv Storage Compartment Door,...
  • 12+1 Month Replacement Service Available: If you encounter any issues, please click "Ask Seller" beside your order for in-time assistance
Bestseller No. 11
Euplokeer Qty (2) Heavy Duty C16-08055 20in Gas Strut Shock Spring - 120lb/534N - Pickup Truck Leer...
  • 【Directly Replacement】Replace your RV door, RV compartment door, RV lightweight bed mattress, trailer door, or truck topper camper shell with...
  • 【Compatibility】20in gas spring compatible with interchange numbers 021155, 78327, C1608055, TAG 78327, C1608055, C16-08055, 78327-120, 78327-120,...
  • 【How to choose】Determine the pound rating or OEM interchange number of your old cylinder, then measure the extended length of your existing gas...
  • 【Product Basic Information】This listing includes 2 gas shocks designed for multi-purpose use. Extended Length: 19.69 inches. Compressed Length:...
  • 【Enhanced Compatibility】If you're working on a DIY project like a food truck window, a wooden box lid, or a shed window, you'll need a pair of gas...
Bestseller No. 12
C16-08053 Lgp8-200-80 20 inch 80lb/356N Gas Strut Shock Spring Lift Support for RV Bed, Underbed...
  • 【Application Scenarios】20 inch gas struts designed for rv bed cover cargo door boat hatch camper bed cabinet door tool box roof hatch storage door...
  • 【Interchange Part Numbers】8AU203468BB0356, 4293, 4293S10, C1608053, C16-08053, SG359015, SG359015, 03538, 183160, 230080, GL-20-80, GP53080,...
  • 【20 Inch Gas Strut Specifications Guide】The extended length of the gas strut measured from ball center to ball center is 19.69 inch, compressed...
  • 【Package Includes】The package includes 20 inch gas struts *2.
  • 【Experience AUCLIDIS】Enjoy our top-tier service with a 12-month replacement guarantee, at the same time, we have a dedicated customer service team...
Bestseller No. 13
Set of 2 Tonneau Convertible Cover Deck Lid Lift Support Struts Gas Spring Shock for Chevrolet...
  • YHTAUTO Lift Support Shock Struts Meets OEM Specifications, Direct Replacement to Original Parts
  • Fits: Chevrolet Corvette Convertible 1997-2004
  • Placement on Vehicle: Tonneau Cover Deck Lid / Left & Right
  • Extended Length: 10.04 Inches; Compressed Length: 6.57 Inches
  • ADVISE: Please Ensure That Your Vehicle Fits Our Compatibility Chart Before Purchasing. Do Not Hesitate to Contact Us if You Have Any Doubts or...
Bestseller No. 14
Vepagoo 27in 90lb/400N Gas Strut Shock Lift Support Replacement for Truck Bed Cover Undercover...
  • Placement: 27 inch 90Lb Gas Shocks for Truck Bed Cover, Tonneau Cover, Trap Door and other DIY application, Set of 2 Vepagoo
  • Interchange Number: Compatible with the following OEM Number 753009, C1615134, C16-15134, ML2690, ML26-90, ML-26-90, SL2690, SL26-90, SL-2690,...
  • Warm Tips: 90LB/400N per shock, two are 180b/800N. Strong enough!! You couldn't compress it by your hand
  • Needed Know: If you purchase this shock as a direct replacement for Tonneau Cover, please measure the length from the center of the socket to the...
  • 12+1 Month Replacement Service: Welcome to Click "Ask Seller" Beside Your Order for In-time Assistance if any problem occurs
Bestseller No. 15
2 Pcs 16 Inch 38lbs/169N Gas Strut Spring Shock for Tonneau RV Side Window Leer are Tonneau Cover...
  • 🔶【 Dimension 】Extended Length (Center-to-Center): 15.7 In , Compressed Length: 9.4 In
  • 🔶【 Force/Pressure 】 38 Pounds Per Strut. Suitable support weight is from 28 pounds to 42 pounds for 2 STRUTS.
  • 🔶【Interchange Part Number】 C1609209,C16-09209, SE150P40M10
  • 🔶【 Application 】Suitable to use on Leer ARE ATC camper topper, camper shell rear window, tonneau cover, RV truck car's window
  • 🔶【 Satisfaction Service 】1 YEAR 100% SATISFACTORY WARRANTY, if unfortunately our gas strut did not work well ,please kindly contact us.
Bestseller No. 16
Dukuge MR100457 25 inch 100lbs/449N Per Gas Strut Shock Spring Lift Support for Tonneau Cover Pickup...
  • 🌹【Dukuge 25 inch 100LB Gas Struts】: Extended Length 25.3 inch(Center-to-Center), Compressed Length 15 inch(Center-to-Center), Force 80Lbs/356N...
  • 🌹【25" 100 lb Gas Shocks】:Most commonly used tonneau cover, pickup bed, truck tonneau Cover, queen RV truck box, and other heavy duty...
  • 🌹【Interchange Number】: 6114, 6114S10. Warm tip: For your shopping experience, please check your interchange number before purchasing!
  • 🌹【Why Choose Us】: 25 inch gas shock 100lb have gone through more than 30 testing procedures, 18,000 times of compression test, fearless of high...
  • 🌹【Dukuge Promise】: Dukuge 25 inch gas strut lift support comes with 18 months product support - If you have any questions before or after your...
Bestseller No. 17
Vepagoo SE1024M80B1 4567 26.32in 85Lb/378N Snugtop Snuglid Tonneau Cover Replacement Lift Support,...
  • 【Truck Tonneau Cover Lift Support】26.32 inches 85 Lb/378 N Gas Shocks compatible with Snugtop, Snuglid, and Leer Tonneau Undercover, truck bed...
  • 【Interchage Number】202677, 2985EV, 299, 4567, 713119, 7131191024, 713119-1024, 713191024, 731191024, 73119-1024, AVMSE1024M80B1, C1624797,...
  • 【Product Parameter】Extended Length [in] 26.32, Compressed Length [in] 10.24.Connection: Ball Socket (Steel)=13mm.Force (Lbs): 85 per strut
  • 【For DIY Project】For DIY projects, e.g. Rv outside Door, RV Cabinet Door, Heavy-duty Trap Door, Outdoor TV Cabinet, Shed Window. Please measure...
  • [12+1 Month Product Service] welcome to click "ask seller" beside your order for in-time assistance if any problem occurs
Bestseller No. 18
28 inch 200 Lb (889 N) Gas Struts Spring Shocks 28 in Lift Support for Floor Hatch Door Heavy Lids...
  • 【GAS STRUTS PARAMETER】28inch 200lb Gas Struts Extended Length: 28in (711mm)center to center, Compressed Length: 16.5in (419mm)center to center,...
  • 【Interchange part number】28inch 200lb Gas Shocks Interchange Part...
  • 【Scenario application】Long-size Gas spring struts ,VERY STRONG,suitable to use on Snowmobile Trailer Rear Door, large heavy-duty floor hatch door,...
  • 【 28 inch 200 lb Lift Supports】28" 200 lb Gas Prop Customer will also use them on DIY, RV, or camper shell,Please check OE number:ST280M200,Please...
  • 【GAS STRUTS SUPPORT】24 Months Replacement Support. Any issues, just mail us via Amazon, and we will solve for you within 24HRS.we are dedicated to...
SaleBestseller No. 19
ARANA Gas Struts 20 inch 135 Lbs, 20 inch Gas Struts for Heavy Lid, 20" Gas Shocks Spring Lift...
  • ✅20 inch gas springs - ARANA 20 inch 135lb struts are widely used on the heavy-duty Tonneau Cover, Truck Bed Cover, bed platform, Queen/King size...
  • ✅Interchange Number - C1608376, C16-08376, SE197PA135, SE197PA135S10
  • ✅20 inch gas strut 135lb - Extended Length A (Center-to-Center): 19.7 inch (500mm), Compressed Length B (Center-to-Center): 11.82inch(300mm), Force...
  • ✅20 inch gas shocks 135lb - ARANA 20" 135lb shocks will be suitable for lid which weight between 115-150, side length ≥ 32 inch; Note: DO measure...
  • ✅About installation & support - once you need any installation guide, welcome to message us for in-time help; if there are any product damaged,...
Bestseller No. 20
Lift Supports Depot Qty (2) PM2048 SE1200M80BL 4568 Tonneau Cover Lift Supports 29.50 Inch Extended...
  • Finding Correct Support: This listing is for a lid weight of approximately 43 - 57 pounds. To find the right strength for your lid, weigh it using a...
  • Extended Length from Center Mount to Center Mount is 29.49 in.
  • Lift Supports Depot supports are High Quality Lift Struts. Designed to install easily in minutes, often times without special tools
  • Durable and Precision-Engineered: Experience top-notch quality with high-quality supports that are meticulously designed to last and meet or exceed...
  • Measurement:Extended Length from Center Mount to Center Mount is 29.49 in.This lift support offers exceptional support, ensuring the stability and...
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FAQ:

Q: How to make a tonneau cover look new?

A: To start the cleaning,find a shade where you can pack the car. … Use the fire hose to wash the tonneau cover thoroughly to rid it of debris or surface dirt. Get the cleaner and spray it all over the surface. Now,use the boar hair brush and agitate any area that houses the thicker dirt.

Q: How to pick the right tonneau cover?

A: You budget Type of tonneau cover you need Compatibility with your truck Your purpose of buying one The installation and maintenance task How to use it The luggage you often carry

Q: How to remove a hard tonneau cover?

A: Removing your Fold-a-Cover Hard Folding Tonneau Cover is a simple process. Simply unbolt the hinge bracket from the C-Clamp using a 7/16 wrench (2 per side,…

Q: How to replace the seals on your tonneau cover?

A: – You should place the end of the measuring tape at the bulkhead or space where the truck bed attaches to the back of the cab. – Measure the closest point to the side of the bed and record down the figure – Extend the measuring tape to the inside edge of the tailgate and take measurements too