We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Stainless steel rain cap for seven inch straight stack pipe

United Pacific Industries

United Pacific Industries Stainless Rain Cap 7" Straight Stack 21328

SKU CH-MZH2-PFNSC

Stainless steel rain cap fits 7-inch straight exhaust stacks to keep moisture out

  • Keeps rain out of the exhaust stack
  • Stainless steel resists corrosion in harsh conditions
  • Designed for 7 inch straight stack fitment
  • Manufacturer part number 21328 identifies the exact unit

Stainless Rain Cap for 7" Stacks

The United Pacific Industries 21328 is a stainless rain cap designed to fit 7-inch diameter straight exhaust stacks on industrial vehicles. It shields the pipe opening from rain and debris while allowing exhaust gases to exit. The accessory is supplied new and installs directly onto the stack without additional hardware.

Simple weather protection for vertical exhaust

The cap sits on top of the straight stack and requires no modification to the existing pipe. It frees the system from water ingress that can cause corrosion or restrict flow over time. Builders who need a capped stack for horizontal outlets or a different pipe diameter will need a separate solution.

How it compares

Measured against everything we stock in Auto Cabin & Body Accessories, at today’s prices. Recalculated every night.

Price $35.99
Typical for this category: the median of 344 items is $37.99.

Specifications

Product
Product typeOther

Questions about this item

What limits the stainless rain cap's airflow under sustained engine use?

The cap's internal baffle design restricts exhaust flow at high RPM, creating back-pressure that becomes the first bottleneck during prolonged heavy-duty operation.

How much heat does the 21328 cap radiate after running all day?

Polished stainless steel reflects most radiant heat, so the cap surface stays near ambient temperature even after continuous exhaust flow.

More in Auto Cabin & Body Accessories

Similar items