Could these be installed on a Toyota Sienna 7 passenger van used to tow a camper, because you want the extra support normally for 8 passengers?

yes these are excellent shocks I have new struts on the front and kyb in the back the van has 204000 mi on it and rides like new

Is there any quantifiable difference between these 344480's and the 344308's? I have a 7 seater Sienna, but I haul a lot of weight.

The only difference is the length. The 344480 is 27.12" extended / 17.24" collapsed, the 344308 is 26.18" extended / 16.41" collapsed. Both fit a Sienna rear, but it depends on the year model and whether it's AWD or FWD. They have the same mountings, too.

Are there any other parts required? I would be willing to buy new boots and bushings too.

No other parts are required! It has a new mounting bushing pressed into the bottom and new hardware/bushings to install on the top. This shock is not meant to have a boot for standard installation. One possibly could be added, if desired.

Will this fit ok in 2012 Sienna xle 8 passengers with no mobility access package ? please answer soon

Shock Warehouse says the KYB344480 excel-g gas shocks fit 2012 Toyota Sienna 7 passenger without mobility auto access, they do not say anything about 8 passenger. M Toyota is a kneel van with auto mobility access.

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KYB 344480 Excel-G Gas Shock, Black , Silver

Product ID: 9761052

Details

Auto Part Position
Rear
Brand
KYB
Exterior Finish
Machined
Style
Asian
Vehicle Service Type
Car Truck

⏳Teflon-coated piston band

⚙️Triple chrome piston rod

🛠️OE-grade precision fit

HK$1244

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Description

🚗 Drive Like It’s Fresh Off the Line — Because It Is!

VEHICLE SPECIFIC FIT - Engineered specifically for Asian mini-vans to maintain perfect wheel alignment.
OE ASSEMBLY LINE QUALITY - Manufactured on the same lines as original equipment for trusted reliability.
SEAMLESS SEAL TECHNOLOGY - Teflon-coated piston band ensures a positive seal and extended shock life.
DURABILITY MEETS PRECISION - Triple chrome plating and multi-lip oil seals minimize wear for long-lasting performance.
RESTORES ORIGINAL RIDE CONTROL - Experience factory-level handling and stability tailored for your Toyota Sienna.

The KYB 344480 Excel-G Gas Shock is a nitrogen gas-charged, twin-tube shock absorber designed as the #1 OE replacement for Asian mini-vans like the Toyota Sienna. Featuring a seamless cylinder, Teflon-coated piston band, triple chrome piston rod, and precision sintered iron strut guide, it restores original vehicle handling, stability, and control with durable, OE-quality components.

Specifications

ASIN	B001FXWVGC
Auto Part Position	Rear
Automotive Fit Type	Vehicle Specific Fit
Best Sellers Rank	#398,321 in Automotive ( See Top 100 in Automotive ) #102 in Automotive Performance Shocks, Struts & Suspension #1,451 in Automotive Replacement Shocks
Brand Name	KYB
Compatible with Vehicle Type	Car, Truck
Customer Reviews	4.3 4.3 out of 5 stars (202)
Extended Length	27.12 inches
Exterior Finish	Machined
Global Trade Identification Number	00781552042495
Included Components	Shocks and Struts
Item Type Name	Shocks and Struts
Item Weight	4.5 pounds
Manufacturer	KYB
Manufacturer Part Number	344480
Manufacturer Warranty Description	KYB Limited Warranty warrants to the original retail purchaser that each new KYB product purchased from an authorized KYB dealer shall be free from defects for the specific periods listed below, when used on private passenger vehicles and light trucks for personal use under normal operating conditions. Warranty Period A. lifetime: All KYB Shocks Absorbers, Struts, and Strut Cartridges (Except KYB …
Material Type	Iron
Model Number	344480
Number of Items	1
OEM Equivalent Part Number	344480
Part Interchange Info	344480
Style Name	Asian
UPC	781552042495
Unit Count	1 Count

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HK$1244

Duties & taxes included

In stock

Sold byAmazon Hong KongDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Hong Kong.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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Smooth transaction and product arrived in perfect condition.

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