Equal-i-zer's original 6K–14K hitch uses a pair of straight spring arms, rotating head sockets and fixed L-brackets for integrated sway control. The manufacturer's illustrated parts chart separates the head, frame-link plates, pins and spacer washers with original part numbers.

Original manufacturer illustrated parts reference

Match each drawing callout with the original component and part number in the table. Use the manufacturer document for the full installation and adjustment procedure.

Open Equal-i-zer's original illustrated exploded-view chart for the component locations and manufacturer service numbers.

View the factory illustrated parts breakdown

Components by original factory number

Parts without a product link are shown for identification. A complete hitch, paired kit and individual component may have different manufacturer ordering numbers.

Callout MPN Component Shop
1 90-02-4100 Adjustable shank
2 90-04-9224 Hitch pin clip
3 90-03-9220 Hitch pin
4 90-04-9228 1/2-inch Grade 5 nut
5 90-04-9290 1/2-inch lock washer
6 90-02-5200 Inside link plate
7 90-04-9281 1/2 x 1.5-inch Grade 5 bolt
8 90-02-5370 Outside link plate
9 90-04-9270 1/2 x 3.5-inch Grade 5 bolt
10 90-02-5150 L-bracket View exact part
11 90-04-9286 1/2-inch nylon locknut
12 90-03-9230 Snap L-pin
13 90-03-6200 Snap-up handle
14 90-03-6100 Snap-up hook
15 90-04-9131 3/4 x 5-inch Grade 8 bolt
16 90-03-9212 Socket pin
17 90-04-9115 3/4-inch washer
18 90-04-9216 Socket pin clip
19 90-03-9700 6K–12K head-angle set bolt
19 90-03-9708 14K head-angle set bolt
20 90-02-0600 6K hitch head
20 90-02-1000 10K hitch head
20 90-02-1200 12K hitch head
20 90-02-1400 14K hitch head
21 90-04-9120 3/4-inch lock washer
22 90-04-9126 3/4-inch Grade 8 nut
23 90-02-0699 6K single spring arm
23 90-02-1099 10K single spring arm
23 90-02-1299 12K single spring arm
23 90-02-1499 14K single spring arm
24 BD064 6K spring-arm warning sticker
24 BD104 10K spring-arm warning sticker
24 BD124 12K spring-arm warning sticker
24 BD144 14K spring-arm warning sticker
25 BD035 Socket warning sticker
26 90-04-9110 Spacer washer
27 90-03-9105 Spacer rivet

NewRVParts products and photographs

The products below are listed under their exact manufacturer numbers. Compare the complete hitch model and rated spring-bar system before ordering replacements.

MPN Product
90-00-0600 Equal-i-zer Trunnion Bar WD Hitch - 600 lb TW – 90-00-0600
90-00-1000 Equal-i-zer Trunnion Bar WD Hitch - 1,000 lb TW – 90-00-1000
90-00-1200 Equal-i-zer Trunnion Bar WD Hitch - 1,200 lb TW – 90-00-1200
90-00-1400 Equal-i-zer Trunnion Bar WD Hitch - 1,400 lb TW – 90-00-1400
90-02-5150 Equal-i-zer Weight Distribution Hitch Bracket – 90-02-5150
90-01-1099 Equal-i-zer Trunnion Spring Bar Pair - 1,000 lb TW – 90-01-1099
90-01-1299 Equal-i-zer Trunnion Spring Bar Pair - 1,200 lb TW – 90-01-1299

What to check before ordering

The manufacturer's diagram lists spring arms 90-02-1099 and 90-02-1299 individually. NewRVParts' 90-01-1099 and 90-01-1299 listings are paired spring-bar kits with distinct order numbers, shown below as related options rather than direct links for the individual drawing callouts. The 16K hitch has different bracket and socket parts.

Towing and installation safety: Select the complete hitch and matched head/arms using loaded tongue weight, the full trailer rating and the vehicle manufacturer's restrictions. Do not mix parts across capacity ratings or use a regular 6K–14K frame bracket on a 16K hitch.

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